Out-of-bounds Write Affecting glibc-langpack-sk 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% (24th percentile)

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  • Snyk ID SNYK-AMZN2-GLIBCLANGPACKSK-1667179
  • published 27 Sep 2021
  • disclosed 18 May 2018

How to fix?

Upgrade Amazon-Linux:2 glibc-langpack-sk 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-sk package and not the glibc-langpack-sk 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
Expand this section

NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High