Out-of-bounds Write Affecting glibc-common package, versions <2:2.28-225.0.4.ksplice1.el8_8.6


0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 1.71% (88th percentile)
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NVD
7.8 high
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Red Hat
7.8 high

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  • Snyk ID SNYK-ORACLE8-GLIBCCOMMON-5935226
  • published 6 Oct 2023
  • disclosed 3 Oct 2023

How to fix?

Upgrade Oracle:8 glibc-common to version 2:2.28-225.0.4.ksplice1.el8_8.6 or higher.
This issue was patched in ELSA-2023-12872.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc-common package and not the glibc-common package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.