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CVE-2018-19591

Status Candidate

Overview

In the GNU C Library (aka glibc or libc6) through 2.28, attempting to resolve a crafted hostname via getaddrinfo() leads to the allocation of a socket descriptor that is not closed. This is related to the if_nametoindex() function.

Related Files

Ubuntu Security Notice USN-4416-1
Posted Jul 6, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4416-1 - Florian Weimer discovered that the GNU C Library incorrectly handled certain memory operations. 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 16.04 LTS. It was discovered that the GNU C Library incorrectly handled certain SSE2-optimized memmove operations. 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 16.04 LTS. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-12133, CVE-2017-18269, CVE-2018-11236, CVE-2018-11237, CVE-2018-19591, CVE-2018-6485, CVE-2019-19126, CVE-2019-9169, CVE-2020-10029, CVE-2020-1751, CVE-2020-1752
SHA-256 | ad00074c48095e1094b2946c458fba7c26cd42996ac22eb17a94175a5a0b9a15
Gentoo Linux Security Advisory 201908-06
Posted Aug 15, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201908-6 - Multiple vulnerabilities have been found in glibc, the worst of which could result in a Denial of Service condition. Versions less than 2.28-r4 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2015-8985, CVE-2016-6263, CVE-2018-19591
SHA-256 | d57c71da1983c5339fb8ee927bb16a395645d5b48f7d4e5bfc264df20d515872
Gentoo Linux Security Advisory 201903-09
Posted Mar 14, 2019
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201903-9 - A vulnerability in the GNU C Library could result in a Denial of Service condition. Versions less than 2.26.0 are affected.

tags | advisory, denial of service
systems | linux, gentoo
advisories | CVE-2018-19591
SHA-256 | fd2bfcfa2504edca7525c8f160e368d592f9ee6e2501031641d994d1e2af688d
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