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CVE-2021-3998

Status Candidate

Overview

A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.

Related Files

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
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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