CVE-2019-15651Out-of-bounds Read in Wolfssl

CWE-125Out-of-bounds Read4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.2%
top 54.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 26
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

debiandebian/wolfssl< wolfssl 4.1.0+dfsg-2 (bookworm)
Debianwolfssl/wolfssl< 4.1.0+dfsg-2+3
NVDwolfssl/wolfssl4.1.0

🔴Vulnerability Details

2
GHSA
GHSA-wgff-2g74-38qq: wolfSSL 42022-05-24
OSV
CVE-2019-15651: wolfSSL 42019-08-26

📋Vendor Advisories

1
Debian
CVE-2019-15651: wolfssl - wolfSSL 4.1.0 has a one-byte heap-based buffer over-read in DecodeCertExtensions...2019
CVE-2019-15651 — Out-of-bounds Read in Debian Wolfssl | cvebase