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CVE-2021-3999

Status Candidate

Overview

A flaw was found in glibc. An off-by-one buffer overflow and underflow in getcwd() may lead to memory corruption when the size of the buffer is exactly 1. A local attacker who can control the input buffer and size passed to getcwd() in a setuid program could use this flaw to potentially execute arbitrary code and escalate their privileges on the system.

Related Files

Ubuntu Security Notice USN-6762-1
Posted May 3, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6762-1 - It was discovered that GNU C Library incorrectly handled netgroup requests. An attacker could possibly use this issue to cause a crash or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. It was discovered that GNU C Library might allow context-dependent attackers to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. It was discovered that GNU C Library when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution. This issue only affected Ubuntu 14.04 LTS.

tags | advisory, denial of service, overflow, arbitrary, code execution
systems | linux, ubuntu
advisories | CVE-2014-9984, CVE-2015-20109, CVE-2018-11236, CVE-2021-3999, CVE-2024-2961
SHA-256 | d27b3448167b5f41fb5b2319186a2bc0ba48401c34db2d5404f8fbe2f1e1273a
Gentoo Linux Security Advisory 202208-24
Posted Aug 15, 2022
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202208-24 - Multiple vulnerabilities have been discovered in the GNU C Library, the worst of which could result in denial of service. Versions less than 2.34 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2021-35942, CVE-2021-38604, CVE-2021-3998, CVE-2021-3999, CVE-2022-23218, CVE-2022-23219
SHA-256 | af7352ecdab5828d81648506322e455108d6ee3f3c403d438fc546db5c2b433c
Red Hat Security Advisory 2022-1747-01
Posted May 10, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1747-01 - OpenShift Serverless version 1.22.0 contains a moderate security impact. The References section contains CVE links providing detailed severity ratings for each vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-25032, CVE-2021-23177, CVE-2021-31566, CVE-2021-3999, CVE-2021-41771, CVE-2021-41772, CVE-2021-45960, CVE-2021-46143, CVE-2022-0778, CVE-2022-21426, CVE-2022-21434, CVE-2022-21443, CVE-2022-21449, CVE-2022-21476, CVE-2022-21496, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-23218, CVE-2022-23219, CVE-2022-23308, CVE-2022-23852, CVE-2022-25235
SHA-256 | 9f53c43845e6989b1ee838b81e5c8b82022554a46d50f3d5c6ed2d4ad233ec23
Red Hat Security Advisory 2022-1734-01
Posted May 5, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1734-01 - The Migration Toolkit for Containers enables you to migrate Kubernetes resources, persistent volume data, and internal container images between OpenShift Container Platform clusters, using the MTC web console or the Kubernetes API.

tags | advisory, web
systems | linux, redhat
advisories | CVE-2021-23177, CVE-2021-31566, CVE-2021-3999, CVE-2021-4028, CVE-2021-41190, CVE-2021-41771, CVE-2021-41772, CVE-2021-44716, CVE-2021-44717, CVE-2021-45960, CVE-2021-46143, CVE-2022-0261, CVE-2022-0318, CVE-2022-0359, CVE-2022-0361, CVE-2022-0392, CVE-2022-0413, CVE-2022-0778, CVE-2022-1154, CVE-2022-1271, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-23218
SHA-256 | 67eeebb8087b0fc31c8fbd504ec1c532cbcd40628f892f8aff82695c15395b0d
Red Hat Security Advisory 2022-1476-01
Posted Apr 21, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1476-01 - Red Hat Advanced Cluster Management for Kubernetes 2.4.3 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which provide some security fixes and bug fixes. Issues addressed include an information leakage vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-0920, CVE-2021-23177, CVE-2021-23566, CVE-2021-31566, CVE-2021-3999, CVE-2021-41190, CVE-2021-4154, CVE-2021-43565, CVE-2021-45960, CVE-2021-46143, CVE-2022-0144, CVE-2022-0155, CVE-2022-0235, CVE-2022-0261, CVE-2022-0318, CVE-2022-0330, CVE-2022-0359, CVE-2022-0361, CVE-2022-0392, CVE-2022-0413, CVE-2022-0435, CVE-2022-0492, CVE-2022-0516, CVE-2022-0536, CVE-2022-0778, CVE-2022-0811, CVE-2022-0847, CVE-2022-22822
SHA-256 | 518f87bfae6ff4f29f3572832aa384efe8f2162ebac11f7d53caab2d6df42933
Red Hat Security Advisory 2022-1083-01
Posted Mar 29, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1083-01 - Red Hat Advanced Cluster Management for Kubernetes 2.3.8 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs. Issues addressed include an information leakage vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-0920, CVE-2021-23177, CVE-2021-23566, CVE-2021-31566, CVE-2021-3999, CVE-2021-4154, CVE-2021-45960, CVE-2021-46143, CVE-2022-0144, CVE-2022-0155, CVE-2022-0235, CVE-2022-0261, CVE-2022-0318, CVE-2022-0330, CVE-2022-0359, CVE-2022-0361, CVE-2022-0392, CVE-2022-0413, CVE-2022-0435, CVE-2022-0492, CVE-2022-0516, CVE-2022-0536, CVE-2022-0847, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825
SHA-256 | 9442197180deeb5f25977efd08ace4909b97f3f5729b4b0b9f276d27f078ba23
Red Hat Security Advisory 2022-1039-01
Posted Mar 24, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1039-01 - Red Hat Openshift GitOps is a declarative way to implement continuous deployment for cloud native applications. Issues addressed include privilege escalation and traversal vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-25709, CVE-2020-25710, CVE-2021-23177, CVE-2021-31566, CVE-2021-3999, CVE-2021-45960, CVE-2021-46143, CVE-2022-1025, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-23218, CVE-2022-23219, CVE-2022-23308, CVE-2022-23852, CVE-2022-24407, CVE-2022-24730, CVE-2022-24731, CVE-2022-25235, CVE-2022-25236, CVE-2022-25315
SHA-256 | a3aa6dabb32b90d59c78082f139db0780896fec7f29703a5c21de22ea3a9a54a
Red Hat Security Advisory 2022-1041-01
Posted Mar 24, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1041-01 - Red Hat Openshift GitOps is a declarative way to implement continuous deployment for cloud native applications. Issues addressed include privilege escalation and traversal vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2021-23177, CVE-2021-31566, CVE-2021-3999, CVE-2021-45960, CVE-2021-46143, CVE-2022-0261, CVE-2022-0318, CVE-2022-0359, CVE-2022-0361, CVE-2022-0392, CVE-2022-0413, CVE-2022-1025, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-23218, CVE-2022-23219, CVE-2022-23308, CVE-2022-23852, CVE-2022-24407, CVE-2022-24730, CVE-2022-24731, CVE-2022-25235, CVE-2022-25236
SHA-256 | 6445fba90799b01b872171494589c69dffa5557ff9ffa53f46f79a6cee9831a2
Red Hat Security Advisory 2022-1042-01
Posted Mar 24, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1042-01 - Red Hat Openshift GitOps is a declarative way to implement continuous deployment for cloud native applications. Issues addressed include privilege escalation and traversal vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-25709, CVE-2020-25710, CVE-2021-23177, CVE-2021-31566, CVE-2021-3999, CVE-2021-45960, CVE-2021-46143, CVE-2022-0261, CVE-2022-0318, CVE-2022-0359, CVE-2022-0361, CVE-2022-0392, CVE-2022-0413, CVE-2022-0811, CVE-2022-1025, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-23218, CVE-2022-23219, CVE-2022-23308, CVE-2022-23852, CVE-2022-24407, CVE-2022-24730
SHA-256 | 5265a1937f32a43b20d3f66c08e5c5c57fd157ff3cf351d7f38e42467527af1a
Red Hat Security Advisory 2022-0896-01
Posted Mar 16, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0896-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow
systems | linux, redhat, osx
advisories | CVE-2021-3999, CVE-2022-23218, CVE-2022-23219
SHA-256 | 94618bd1923ee16e9583843b26014c8d1ab90b9651bcd564e5b4ba54a6d69eef
Ubuntu Security Notice USN-5310-2
Posted Mar 7, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5310-2 - USN-5310-1 fixed several vulnerabilities in GNU. This update provides the corresponding update for Ubuntu 16.04 ESM. It was discovered that the GNU C library getcwd function incorrectly handled buffers. An attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-3999, CVE-2022-23219
SHA-256 | 13edb425e5376cd1e6f7b1f1a7b3b981295f9b7415ac52782a50d019971b7e29
Ubuntu Security Notice USN-5310-1
Posted Mar 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5310-1 - Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library iconv feature incorrectly handled certain input sequences. An attacker could possibly use this issue to cause the GNU C Library to hang or crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Jason Royes and Samuel Dytrych discovered that the GNU C Library incorrectly handled signed comparisons on ARMv7 targets. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-10228, CVE-2020-29562, CVE-2020-6096, CVE-2021-27645, CVE-2021-3326, CVE-2021-35942, CVE-2021-3998, CVE-2021-3999, CVE-2022-23219
SHA-256 | 0c11352a9e9620a9d78b56edf5a195481c3c772b41e829e66010783e0ca89f70
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