Out-of-bounds Read Affecting perl-cryptx package, versions <0.079-r0


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.47% (65th percentile)

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  • Snyk IDSNYK-ALPINE321-PERLCRYPTX-8485403
  • published6 Dec 2024
  • disclosed9 Oct 2019

Introduced: 9 Oct 2019

CVE-2019-17362  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 perl-cryptx to version 0.079-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perl-cryptx package and not the perl-cryptx package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

In LibTomCrypt through 1.18.2, the der_decode_utf8_string function (in der_decode_utf8_string.c) does not properly detect certain invalid UTF-8 sequences. This allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) or read information from other memory locations via carefully crafted DER-encoded data.

CVSS Base Scores

version 3.1