CVE-2021-3404

Summary

CVE	CVE-2021-3404
State	PUBLIC
Assigner	[email protected]
Source Priority	CVE Program / NVD first with legacy fallback
Published	2021-03-04 22:15:00 UTC
Updated	2022-04-25 20:25:00 UTC
Description	In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Fedoraproject	Fedora	33	All	All	All
Operating System	Fedoraproject	Fedora	33	All	All	All
Operating System	Redhat	Enterprise Linux	7.0	All	All	All
Operating System	Redhat	Enterprise Linux	7.0	All	All	All
Application	Ytnef Project	Ytnef	1.9.3	All	All	All
Application	Ytnef Project	Ytnef	1.9.3	All	All	All

References

Reference	Source	Link	Tags
1926965 – (CVE-2021-3404) CVE-2021-3404 ytnef: heap-based buffer overflow in SwapWord function in lib/ytnef.c via crafted file	MISC	bugzilla.redhat.com	Issue Tracking, Third Party Advisory
Heap buffer overflow via TNEFVersion · Issue #86 · Yeraze/ytnef · GitHub	MISC	github.com	Exploit, Issue Tracking, Third Party Advisory
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

180246 Debian Security Update for libytnef (CVE-2021-3404)
501725 Alpine Linux Security Update for ytnef