CVE-2018-11237

CWE-787 — Out-of-bounds WriteCWE-119 — Buffer Overflow9 documents8 sources
Severity
7.8HIGH
EPSS
0.8%
top 25.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
GNU GlibcCanonical Ubuntu LinuxOracle Communications Session Border Controller+5 more
Timeline
PublishedMay 18
Latest updateMay 13

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages8 packages

▶Debianglibc< 2.27-4+3
▶NVDgnu/glibc2.27

Also affects: Ubuntu Linux 16.04, 18.04, 19.10

Patches

Patch: sourceware.org ↗Patch: www.oracle.com ↗Patch: sourceware.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-fh43-5v3x-c3vr: An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2↗2022-05-13
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OSV
CVE-2018-11237: An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2↗2018-05-18
▶
CVEList
CVE-2018-11237: An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2↗2018-05-18
▶

📋Vendor Advisories

3
Ubuntu
GNU C Library vulnerabilities↗2020-07-06
▶
Red Hat
glibc: Buffer overflow in __mempcpy_avx512_no_vzeroupper↗2018-05-17
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Debian
CVE-2018-11237: glibc - An AVX-512-optimized implementation of the mempcpy function in the GNU C Library...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-11237 glibc: Buffer overflow in __mempcpy_avx512_no_vzeroupper↗2018-05-22
▶
Bugzilla
CVE-2018-11237 glibc: Buffer overflow in __mempcpy_avx512_no_vzeroupper [fedora-all]↗2018-05-22
▶
CVE-2018-11237 (HIGH CVSS 7.8) | An AVX-512-optimized implementation | cvebase.io