CVE-2021-31229 — Out-of-bounds Write in Project Ezxml

CWE-787 — Out-of-bounds Write5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
1.8%
top 17.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Debian MapcacheDebian NetcdfDebian Netcdf-parallel+3 more
Timeline
PublishedApr 15
Latest updateMay 24

Description

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages5 packages

▶debiandebian/netcdf< netcdf 1:4.9.0-1 (bookworm)
▶debiandebian/scilab< netcdf 1:4.9.0-1 (bookworm)
▶debiandebian/mapcache< netcdf 1:4.9.0-1 (bookworm)
▶debiandebian/netcdf-parallel< netcdf 1:4.9.0-1 (bookworm)

Also affects: Debian Linux 9.0

Patches

Patch: sourceforge.net ↗Patch: sourceforge.net ↗

🔴Vulnerability Details

2
GHSA
GHSA-pq24-7v4g-2468: An issue was discovered in libezxml↗2022-05-24
▶
OSV
CVE-2021-31229: An issue was discovered in libezxml↗2021-04-15
▶

📋Vendor Advisories

2
Ubuntu
Scilab vulnerabilities↗2021-09-03
▶
Debian
CVE-2021-31229: mapcache - An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_interna...↗2021
▶
CVE-2021-31229 — Out-of-bounds Write in Project Ezxml | cvebase