Out-of-bounds Write Affecting glibc-langpack-or package, versions <0:2.26-30.amzn2.0.1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (25th percentile)

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  • Snyk IDSNYK-AMZN2-GLIBCLANGPACKOR-1667315
  • published27 Sept 2021
  • disclosed18 May 2018

Introduced: 18 May 2018

CVE-2018-11237  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 glibc-langpack-or to version 0:2.26-30.amzn2.0.1 or higher.
This issue was patched in ALAS2-2018-1131.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-langpack-or package and not the glibc-langpack-or package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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 Scores

version 3.1