Out-of-bounds Read Affecting wolfssl package, versions <4.1.0+dfsg-2


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.14% (51st percentile)

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  • Snyk IDSNYK-DEBIAN11-WOLFSSL-523210
  • published27 Aug 2019
  • disclosed26 Aug 2019

Introduced: 26 Aug 2019

CVE-2019-15651  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:11 wolfssl to version 4.1.0+dfsg-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wolfssl package and not the wolfssl package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions in wolfcrypt/src/asn.c because reading the ASN_BOOLEAN byte is mishandled for a crafted DER certificate in GetLength_ex.