Out-of-bounds Write Affecting libgcrypt package, versions [0,1.9.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBGCRYPT-2374567
  • published26 Jan 2022
  • disclosed29 Jan 2021
  • creditUnknown

Introduced: 29 Jan 2021

CVE-2021-3345  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade libgcrypt to version 1.9.1 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write. _gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.

References

CVSS Scores

version 3.1