CISA Releases Fact Sheet on Effort to Revise the National Cyber Incident Response Plan (NCIRP)

Today, the Cybersecurity and Infrastructure Security Agency CISA released a fact sheet on the effort to revise the National Cyber Incident Response Plan NCIRP. Through the Joint Cyber Defense Collaborative JCDC, CISA will work to ensure that the updated NCIRP addresses significant changes in poli...

CISA Releases Guidance for Addressing Cisco IOS XE Web UI Vulnerabilities

Today, CISA, in response to active, widespread exploitation, released guidance addressing two vulnerabilities, CVE-2023-20198 and CVE-2023-20273, affecting Cisco’s Internetworking Operating System IOS XE Software Web User Interface UI. An unauthenticated remote actor could exploit these...

Fedora: Security Advisory for trafficserver (FEDORA-2023-5ff7bf1dd8)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CISA, NSA, FBI, and MS-ISAC Release Update to #StopRansomware Guide

Today, the Cybersecurity and Infrastructure Security Agency CISA, the National Security Agency NSA, the Federal Bureau of Investigation FBI, and the Multi-State Information Sharing and Analysis Center MS-ISAC released an updated version of the joint StopRansomware Guide. The update includes new...

CISA Releases One Industrial Control Systems Advisory

CISA released one Industrial Control Systems ICS advisory on October 19, 2023. This advisory provides timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-143-02 Hitachi Energy’s RTU500 Series Product UPDATE B CISA encourages users and...

Oracle Releases October 2023 Critical Patch Update Advisory

Oracle has released its Critical Patch Update Advisory for October 2023 to address 387 vulnerabilities across multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the Oracle...

CISA Adds Two Known Exploited Vulnerabilities to Catalog

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-4966 Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability CVE-2021-1435 Cisco IOS XE Web UI Command Injection Vulnerability These types of...

Oracle Linux 8 : nghttp2 (ELSA-2023-5837)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-5837 advisory. - fix HTTP/2 Rapid Reset CVE-2023-44487 Tenable has extracted the preceding description block directly from the Oracle Linux security advisory. Note that Nessus...

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...

golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)

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...

CVE-2023-38552

creationtimestamp| type| source ---|---|--- 2023-10-18 07:33:33+00:00| seen| https://t.me/cibsecurity/72485 2024-11-14 12:00:00+00:00| seen| https://www.cisa.gov/news-events/ics-advisories/icsa-24-319-08 2026-03-19 00:00:00+00:00| seen| https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0316/...

CVE-2023-39331

creationtimestamp| type| source ---|---|--- 2023-10-18 07:33:25+00:00| seen| https://t.me/cibsecurity/72478 2024-11-14 12:00:00+00:00| seen| https://www.cisa.gov/news-events/ics-advisories/icsa-24-319-08...

CVE-2023-32004

creationtimestamp| type| source ---|---|--- 2023-10-18 07:33:24+00:00| seen| https://t.me/cibsecurity/72477 2024-11-14 12:00:00+00:00| seen| https://www.cisa.gov/news-events/ics-advisories/icsa-24-319-08 2025-05-08 16:23:53+00:00| seen| https://t.me/DarkWebInformerCVEAlerts/15554...

CVE-2023-30584

creationtimestamp| type| source ---|---|--- 2023-10-18 07:33:24+00:00| seen| https://t.me/cibsecurity/72477 2023-10-18 07:33:25+00:00| seen| https://t.me/cibsecurity/72478 2024-09-07 19:20:37+00:00| seen| https://t.me/cvedetector/5033 2024-11-14 12:00:00+00:00| seen|...

CVE-2023-39332

creationtimestamp| type| source ---|---|--- 2023-10-18 07:33:24+00:00| seen| https://t.me/cibsecurity/72477 2024-11-14 12:00:00+00:00| seen| https://www.cisa.gov/news-events/ics-advisories/icsa-24-319-08...

Cisco IOS XE vulnerability widely exploited in the wild

An authentication bypass affecting Cisco IOS X was disclosed on October 16, 2023. Researchers have found since then that the vulnerability is widely being exploited in the wild to help install implants on affected switches and routers. Cisco IOS XE is a universally deployed Internetworking...

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...

CISA Releases Two Industrial Control Systems Advisories

CISA released two Industrial Control Systems ICS advisories on October 17, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-290-01 Schneider Electric EcoStruxure Power Monitoring Expert and Power Operation...

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 ...