Out-of-bounds Write Affecting musl package, versions [0.9.13,1.0.4)[1.1.0,1.1.2)


Severity

Recommended
0.0
critical
0
10

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

Threat Intelligence

EPSS
1.79% (82nd percentile)

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  • Snyk IDSNYK-UNMANAGED-MUSL-2382085
  • published26 Jan 2022
  • disclosed20 Feb 2020
  • creditUnknown

Introduced: 20 Feb 2020

CVE-2014-3484  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade musl to version 1.0.4, 1.1.2 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write. Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand.c in musl libc 1.1x before 1.1.2 and 0.9.13 through 1.0.3 allow remote attackers to (1) have unspecified impact via an invalid name length in a DNS response or (2) cause a denial of service (crash) via an invalid name length in a DNS response, related to an infinite loop with no output.

CVSS Base Scores

version 3.1