Security Vulnerability Alert Archives - Page 3 of 33

April 9, 2020December 14, 2020

@RISK: The Consensus Security Vulnerability Alert: Vol. 20, Num. 15

@RISK: The Consensus Security Vulnerability Alert
April 09, 2020 – Vol. 20, Num. 15

CONTENTS:
=========================================================
NOTABLE RECENT SECURITY ISSUES
INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY
VULNERABILITIES FOR WHICH EXPLOITS ARE AVAILABLE
MOST PREVALENT MALWARE FILES April 2 – 9, 2020
=========================================================
TOP VULNERABILITY THIS WEEK: Mozilla Firefox patches two use-after-free vulnerabilities exploited in the wild
=========================================================
NOTABLE RECENT SECURITY ISSUES
SELECTED BY THE TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

Title: Mozilla releases fixes for two use-after-free vulnerabilities in Firefox
Description: Mozilla released patches for two use-after-free vulnerabilities in its Firefox web browser. The company said it saw attackers actively exploiting bugs in the wild, which caused them to release the emergency updates. In both cases, a race condition in the browser can cause a use-after-free condition, though Mozilla has not provided information on how, exactly, these vulnerabilities were used in attacks.
Reference: https://duo.com/decipher/mozilla-fixes-two-firefox-flaws-under-active-attack
Snort SIDs: 53580, 53581

Title: Critical CODESYS vulnerability could allow attacker to crash server, execute remote code
Description: A critical bug in 3S’ CODESYS automation software could allow an attacker to crash an affected server or execute remote code on the web server. 3S released a patch for the vulnerability, identified as CVE-2020-10245, which received a severity score of 10 out of 10. The bug is a heap-based buffer overflow in the software that could cause a denial of service.
Reference: https://threatpost.com/critical-codesys-bug-remote-code-execution/154213/
Snort SIDs: 53557, 53558

INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

Marriott disclosed that hackers used login credential belonging to two employees of a franchise company to access customer data, compromising the information of more than 5 million customers.
https://www.cnet.com/news/marriott-discloses-new-data-breach-impacting-5-point-2-million-guests/

Researchers discovered potential security flaws in video conference platform Zoom’s encryption method, including sending some encryption keys through servers in China.
https://citizenlab.ca/2020/04/move-fast-roll-your-own-crypto-a-quick-look-at-the-confidentiality-of-zoom-meetings/

After a wave of negative headlines concerning Zoom and its security features, the Taiwanese government informed employees they should not be using the conferencing app while they work from home during the COVID-19 crisis.
https://www.bloomberg.com/news/articles/2020-04-07/taiwan-bans-government-use-of-zoom-over-cybersecurity-concerns

A critical vulnerability in a popular WordPress plugin could allow attackers to completely lock admins out of their sites, the latest in a string of bugs for plugins for the popular content management system.
https://threatpost.com/critical-wordpress-plugin-bug-lock-admins-out/154354/

A new COVID-19-themed malware family can totally wipe victim’s computers and in some cases, rewrite MBR sectors.
https://www.zdnet.com/article/theres-now-covid-19-malware-that-will-wipe-your-pc-and-rewrite-your-mbr/

Microsoft purchased controversial domain corp[.]com with the goal of keeping it out of bad actors’ hands.
https://krebsonsecurity.com/2020/04/microsoft-buys-corp-com-so-bad-guys-cant/

While the vast majority of individuals across the globe are staying home during the COVID-19 crisis, their internet usage has changed, including spending an increasing amount of time on streaming sites while seeing a reduction in mobile device usage.
https://www.nytimes.com/interactive/2020/04/07/technology/coronavirus-internet-use.html

With more college classes moving completely online for the remainder of the semester, some schools have started using online proctor services, which students and professors say is an invasion of privacy.
https://www.washingtonpost.com/technology/2020/04/01/online-proctoring-college-exams-coronavirus/

NASA says its seen an “exponential” increase in attempted cyber attacks as more of its employees began working remotely due to COVID-19 pandemic.
https://arstechnica.com/information-technology/2020/04/nasa-sees-an-exponential-jump-in-malware-attacks-as-personnel-work-from-home/

A cyber attack on Italy’s Social Security website took down its services, temporarily preventing individuals from receiving government stimulus checks connected to a COVID-19 relief package.
https://www.forbes.com/sites/daveywinder/2020/04/02/covid-19-payouts-disrupted-as-heartless-hackers-attack-italian-crisis-benefits-site/

MOST PREVALENT MALWARE FILES April 2 – 9, 2020
COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: 3f6e3d8741da950451668c8333a4958330e96245be1d592fcaa485f4ee4eadb3
MD5: 47b97de62ae8b2b927542aa5d7f3c858
VirusTotal: scan analysis
Typical Filename: qmreportupload.exe
Claimed Product: qmreportupload
Detection Name: Win.Trojan.Generic::in10.talos

SHA 256: a545df34334b39522b9cc8cc0c11a1591e016539b209ca1d4ab8626d70a54776
MD5: 5d34464531ddbdc7b0a4dba5b4c1cfea
VirusTotal: scan analysis
Typical Filename: FlashHelperServices.exe
Claimed Product: Flash Helper Service
Detection Name: PUA.Win.Adware.Flashserv::in03.talos

SHA 256: c3e530cc005583b47322b6649ddc0dab1b64bcf22b124a492606763c52fb048f
MD5: e2ea315d9a83e7577053f52c974f6a5a
VirusTotal: scan analysis
Typical Filename: c3e530cc005583b47322b6649ddc0dab1b64bcf22b124a492606763c52fb048f.bin
Claimed Product: N/A
Detection Name: W32.AgentWDCR:Gen.21gn.1201

SHA 256: 15716598f456637a3be3d6c5ac91266142266a9910f6f3f85cfd193ec1d6ed8b
MD5: 799b30f47060ca05d80ece53866e01cc
VirusTotal: scan analysis
Typical Filename: f2016341595.exe
Claimed Product: N/A
Detection Name: W32.Generic:Gen.22fz.1201

SHA 256: 85b936960fbe5100c170b777e1647ce9f0f01e3ab9742dfc23f37cb0825b30b5
MD5: 8c80dd97c37525927c1e549cb59bcbf3
VirusTotal: scan analysis
Typical Filename: Eternalblue-2.2.0.exe
Claimed Product: N/A
Detection Name: W32.85B936960F.5A5226262.auto.Talos

April 2, 2020December 14, 2020

@RISK: The Consensus Security Vulnerability Alert: Vol. 20, Num. 14

@RISK: The Consensus Security Vulnerability Alert
April 02, 2020 – Vol. 20, Num. 14

CONTENTS:
=========================================================
NOTABLE RECENT SECURITY ISSUES
INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY
VULNERABILITIES FOR WHICH EXPLOITS ARE AVAILABLE
MOST PREVALENT MALWARE FILES March 26 – April 2, 2020
=========================================================
TOP VULNERABILITY THIS WEEK: Storage devices targeted by new Mirai variant
=========================================================
NOTABLE RECENT SECURITY ISSUES
SELECTED BY THE TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

Title: Zyxel devices exploited by critical vulnerability, now patched
Description: A variant of the Mirai botnet, known as Mukashi, targeted vulnerable Zyxel network-attached storage devices. CVE-2020-9054 was assigned a critical rating of 9.8 out of 10 and has since been patched. Attackers can exploit this vulnerability to compromise a device and then launch additional distributed denial-of-service attacks and attach the malware to specific TCP ports.
Reference: https://www.cisomag.com/mukashi-malware-exploits-zyxel-nas-device-vulnerabilities/
Snort SIDs: 53495, 53496, 53507 – 53510

Title: Ransomware families launch new sites to publish stolen data
Description: Attackers behind several different ransomware families are creating websites where they say they will publish information stolen in attacks if the victims do not pay the requested extortion payment. Malware like Sodinokibi, Nemty and DoppelPaymer are following the lead of the actors behind the Maze ransomware, who launched a similar site in early March. Cisco Talos released new Snort rules this week to prevent the Sodinokibi ransomware from being downloaded onto targeted machines.
Reference: https://www.bleepingcomputer.com/news/security/three-more-ransomware-families-create-sites-to-leak-stolen-data/
Snort SIDs: 53511, 53512

INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

Democratic Congressional leaders are pushing for more states to move to vote-by-mail, and many governments are planning to use cyber security grants to change their plans.
https://www.cnbc.com/2020/03/31/coronavirus-update-pelosi-says-country-must-move-to-vote-by-mail-taking-aim-at-trump.html

Tech companies are preparing to detect and deflect election meddling efforts similar to those in 2016, but the bad actors are changing their tactics just as quickly.
https://www.nytimes.com/2020/03/29/technology/facebook-google-twitter-november-election.html

A new phishing campaign lures victims in by lying to them that they’ve been exposed to someone infected with the coronavirus.
https://www.bleepingcomputer.com/news/security/phishing-attack-says-youre-exposed-to-coronavirus-spreads-malware/

In another COVID-19 related attack, other attackers are using DNS hijacking to redirect users accessing coronavirus-related mobile apps, eventually taking over their wireless routers.
https://threatpost.com/hackers-hijack-routers-to-spread-malware-via-coronavirus-apps/154170/

So-called “Zoombombers” are taking advantage of the rise in virtual meetings and hangouts, jumping into calls and sharing unwanted vulgar content.
https://www.insidehighered.com/news/2020/03/26/zoombombers-disrupt-online-classes-racist-pornographic-content

More than 42 million Iranian users of the popular Telegram encrypted messaging app had their user IDs and phone numbers leaked online, as they were stored on an unprotected server.
https://www.comparitech.com/blog/information-security/iranian-telegram-accounts-leaked/

The FBI is holding talks with cybersecurity insurance companies to discuss how they can work together to help companies prevent and recover from ransomware attacks.
https://www.cyberscoop.com/ransomware-fbi-insurance-companies-data/

Saudi Arabia reportedly can track its citizens who travel to the U.S. through a vulnerability in the global messaging system known as SS7.
https://www.theguardian.com/world/2020/mar/29/revealed-saudis-suspected-of-phone-spying-campaign-in-us

A new report from Google’s Threat Analysis Group revealed it alerted 40,000 users of potential state-sponsored attacks against their accounts in 2019.
https://www.forbes.com/sites/daveywinder/2020/03/27/hacker-threat-google-confirms-40000-nation-state-cyber-attack-warnings-issued/#22f789b93b71

MOST PREVALENT MALWARE FILES March 26 – April 2, 2020
COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: 8e0aea169927ae791dbafe063a567485d33154198cd539ee7efcd81a734ea325
MD5: 5fb477098fc975fd1b314c8fb0e4ec06
VirusTotal: scan analysis
Typical Filename: upxarch.exe
Claimed Product: N/A
Detection Name: Win.Dropper.Ranumbot::in07.talos

SHA 256: 64f3633e009650708c070751bd7c7c28cd127b7a65d4ab4907dbe8
MD5: 42143a53581e0304b08f61c2ef8032d7
VirusTotal: scan analysis
Typical Filename: myfile.exe
Claimed Product: N/A
Detection Name: Pdf.Phishing.Phishing::malicious.tht.talos

March 26, 2020May 26, 2020

@RISK: The Consensus Security Vulnerability Alert: Vol. 20, Num. 13

@RISK: The Consensus Security Vulnerability Alert
March 26, 2020 – Vol. 20, Num. 13

CONTENTS:
=========================================================
NOTABLE RECENT SECURITY ISSUES
INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY
VULNERABILITIES FOR WHICH EXPLOITS ARE AVAILABLE
MOST PREVALENT MALWARE FILES March 19 – March 26, 2020
=========================================================
TOP VULNERABILITY THIS WEEK: Microsoft patches more than 100 vulnerabilities in monthly update
=========================================================
NOTABLE RECENT SECURITY ISSUES
SELECTED BY THE TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

Title: Cisco patches high-severity vulnerabilities in some routers
Description: Cisco disclosed five vulnerabilities in its SD-WAN software, three of which are considered high severity. The security flaws leave several products open to exploitation, including some routers and network management systems. CVE-2020-3266 is the most severe of all with a CVSS score of 7.8. A local attacker could exploit the CLI utility in SD-WAN to inject arbitrary commands with root privileges. The company says there are no workarounds as of the release of these exploits, so users are encouraged to patch as soon as possible.
Reference: https://www.networkworld.com/article/3533550/cisco-warns-of-five-sd-wan-security-weaknesses.html
Snort SIDs: 53481 – 53483

Title: Intel Raid Web Console 3 denial-of-service bugs
Description: The Intel RAID Web Console 3’s web API contains two denial-of-service vulnerabilities. The Raid Web Console is a web-based application that provides several configuration functions for the Intel RAID line of products, which includes controllers and storage expanders. The console monitors, maintains and troubleshoots these products. An attacker could exploit both these bugs by sending a malicious POST request to the API.
Reference: https://blog.talosintelligence.com/2020/03/vulnerability-spotlight-intel-raid-web-march-2020.html
Snort SIDs: 51652, 51684

INTERESTING NEWS FROM AROUND THE SECURITY COMMUNITY

The World Health Organization says it has seen an increasing in attempted cyber attacks against the organization as it continues to address the worldwide COVID-19 pandemic.
https://globalnews.ca/news/6720754/coronavirus-who-cyberattack-hackers/

A hospital in France says it also had to fend off a cyber intrusion this week.
https://www.bloomberg.com/news/articles/2020-03-23/paris-hospitals-target-of-failed-cyber-attack-authority-says

Apps that claim to help users track the spread of COVID-19 are actually taking advantage of users, compromising their camera, photo storage and location.
https://www.cnet.com/news/fake-coronavirus-tracking-apps-are-really-malware-that-stalks-its-users/

Attackers are using an open redirect to the U.S. Department of Health and Human Services to push malware payloads onto victims’ devices using phishing emails.
https://www.bleepingcomputer.com/news/security/hhsgov-open-redirect-used-by-coronavirus-phishing-to-spread-malware/

A prominent law firm in the U.K. warned lawyers to disable their smart home devices like Google Home and Amazon Alexa so that they do not record confidential calls with clients as more employees begin working from home.
https://www.bloomberg.com/news/articles/2020-03-20/locked-down-lawyers-warned-alexa-is-hearing-confidential-calls?sref=eTJxxXf2

Israel’s government beefed up its surveillance powers, announcing a plan to track the location and text messages of individuals who test positive for COVID-19
https://www.npr.org/2020/03/19/818327945/israel-begins-tracking-and-texting-those-possibly-exposed-to-the-coronavirus

Researchers discovered a password for users to recover their ransomed information if they are infected with the fast-spreading CovidLock Android ransomware.
https://www.scmagazine.com/home/security-news/news-archive/coronavirus/password-found-to-rescue-victims-of-malicious-covid-19-tracker-app/

Financial technology company Finastra had to pause many of its operations over the weekend after the company said it found an intrusion on its network.
https://krebsonsecurity.com/2020/03/security-breach-disrupts-fintech-firm-finastra/

The movement and travel restrictions over COVID-19 is affecting how American intelligence officials do their jobs and has largely halted in-person espionage operations.
https://time.com/5806522/coronavirus-intelligence-networks/

MOST PREVALENT MALWARE FILES March 19 – March 26, 2020
COMPILED BY TALOS SECURITY INTELLIGENCE AND RESEARCH GROUP

SHA 256: 46f2f4815d25bf313c08880f3b0a23fb541ae74344371867f58b64d1d488a02b
MD5: b70431ab7b13034e9d25edba5c5436d5
VirusTotal: scan analysis
Typical Filename: FOC invoices_pdf.gz.xlsx
Claimed Product: N/A
Detection Name: W32.46F2F4815D-100.SBX.TG