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CVE-2018-11237

Status Candidate

Overview

An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.

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
Red Hat Security Advisory 2018-3092-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3092-01 - 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-2017-16997, CVE-2018-11236, CVE-2018-11237, CVE-2018-6485
SHA-256 | 561369d453b4a016bf3445f7705a29497d24965308469531855154fac6ee4fa1
GNU glibc Local Buffer Overflow
Posted May 24, 2018
Authored by Jameel Nabbo

GNU glibc versions prior to 2.27 suffer from a buffer overflow vulnerability.

tags | exploit, overflow
advisories | CVE-2018-11237
SHA-256 | b343af88553f32eaebef15dc533583e14be83f18b64bb6bc38800f729025d2e4
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