AlmaLinux 8 : dotnet7.0 (ALSA-2023:5709)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2023:5709 advisory. - The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wild ...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-20198 Cisco IOS XE Web UI Privilege Escalation Vulnerabilitylink is external These types of vulnerabilities are frequent attack vectors for malicious cyber actor...

Threat Actors Exploit Atlassian Confluence CVE-2023-22515 for Initial Access to Networks

SUMMARY The Cybersecurity and Infrastructure Security Agency CISA, Federal Bureau of Investigation FBI, and Multi-State Information Sharing and Analysis Center MS-ISAC are releasing this joint Cybersecurity Advisory CSA in response to the active exploitation of CVE-2023-22515. This recently...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

A week in security (October 9 - October 15)

Last week on Malwarebytes Labs: Explained: Quishing Update now! Atlassian Confluence vulnerability is being actively exploited Giant health insurer struck by ransomware didn't have antivirus protection Ransomware review: October 2023 Stalkerware activity drops as glaring spying problem is reveale...

Fedora 38 : nghttp2 (2023-ed2642fd58)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-ed2642fd58 advisory. - fix HTTP/2 Rapid Reset CVE-2023-44487 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that...

CVE-2023-45853

creationtimestamp| type| source ---|---|--- 2023-10-14 07:29:26+00:00| seen| https://t.me/cibsecurity/72275 2023-11-22 22:55:24+00:00| seen| https://t.me/arpsyndicate/364 2023-11-29 17:44:15+00:00| seen| https://t.me/arpsyndicate/782 2025-02-13 11:00:00+00:00| seen|...

FBI, CISA Warn of Rising AvosLocker Ransomware Attacks Against Critical Infrastructure

The AvosLocker ransomware gang has been linked to attacks against critical infrastructure sectors in the U.S., with some of them detected as recently as May 2023. That's according to a new joint cybersecurity advisory released by the U.S. Cybersecurity and Infrastructure Security Agency CISA and...

Security Updates for Microsoft Visual Studio Products (October 2023)

The Microsoft Visual Studio Products are missing security updates. It is, therefore, affected by multiple denial of service vulnerabilities: - A denial of service DoS vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services...

CVE-2023-45143

creationtimestamp| type| source ---|---|--- 2023-10-12 20:23:29+00:00| seen| https://t.me/cibsecurity/72190 2024-11-14 12:00:00+00:00| seen| https://www.cisa.gov/news-events/ics-advisories/icsa-24-319-08...

New CISA Advisories Highlight Vulnerabilities in Top ICS Products

By Waqas New CISA Advisories Highlight Vulnerabilities in Siemens, Mitsubishi Electric, Hikvision, and Schneider Electric ICS Products. This is a post from HackRead.com Read the original post: New CISA Advisories Highlight Vulnerabilities in Top ICS Products...

Top resources for Cybersecurity Awareness Month

Welcome to this weeks edition of the Threat Source newsletter. I didnt feel like I wanted to write anything special or witty this week given the current events in Israel and the Gaza Strip, but I will certainly advocate for any assistance readers would like to provide to the various organizations...

CISA Releases New Resources Identifying Known Exploited Vulnerabilities and Misconfigurations Linked to Ransomware

Today, as part of the Ransomware Vulnerability Warning Pilot RVWP, CISA launched two new resources for combating ransomware campaigns: A “Known to be Used in Ransomware Campaigns” column in the KEV Catalog that identifies KEVs associated with ransomware campaigns. A “Misconfigurations and...

Mitsubishi Electric MELSEC-F Series

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 9.1 ATTENTION : Exploitable remotely/low attack complexity Vendor : Mitsubishi Electric Corporation Equipment : MELSEC-F Series Vulnerability : Improper Authentication 2. RISK EVALUATION Successful exploitation of this vulnerability may allow a remote...

Weintek cMT3000 HMI Web CGI

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION : Exploitable remotely/low attack complexity Vendor : Weintek Equipment : cMT3000 CMI Web CGI Vulnerabilities : Stack-based Buffer Overflow, OS Command Injection 2. RISK EVALUATION Successful exploitation of these vulnerabilities could allow an...

Santesoft Sante FFT Imaging

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION : Low attack complexity Vendor : Santesoft Equipment : Sante FFT Imaging Vulnerability : Out-of-Bounds Read 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to disclose information and execute arbitrary...

Hikvision Access Control and Intercom Products

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely Vendor: Hikvision Equipment: Access Control and Intercom Products Vulnerabilities: Session Fixation, Improper Access Control 2. RISK EVALUATION Successful exploitation of these vulnerabilities could result in an attacker...