Integer Overflow or Wraparound Affecting libstdc++ package, versions <0:8.5.0-3.0.2.el8


Severity

Recommended
low

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.12% (31st percentile)

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  • Snyk IDSNYK-ORACLE8-LIBSTDC-2595549
  • published10 Apr 2022
  • disclosed4 Jan 2019

Introduced: 4 Jan 2019

CVE-2018-20673  (opens in a new tab)
CWE-190  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Oracle:8 libstdc++ to version 0:8.5.0-3.0.2.el8 or higher.
This issue was patched in ELSA-2021-4386.

NVD Description

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

The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, contains an integer overflow vulnerability (for "Create an array for saving the template argument values") that can trigger a heap-based buffer overflow, as demonstrated by nm.