Out-of-bounds Write Affecting glibc-static package, versions <0:2.17-260.0.9.el7


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-ORACLE7-GLIBCSTATIC-2528328
  • published10 Apr 2022
  • 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 Oracle:7 glibc-static to version 0:2.17-260.0.9.el7 or higher.
This issue was patched in ELSA-2018-3092.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-static package and not the glibc-static package as distributed by Oracle. See How to fix? for Oracle:7 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