Bug 1926965 (CVE-2021-3404)
| Summary: | CVE-2021-3404 ytnef: heap-based buffer overflow in SwapWord function in lib/ytnef.c via crafted file | ||
|---|---|---|---|
| Product: | [Other] Security Response | Reporter: | Guilherme de Almeida Suckevicz <gsuckevi> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED UPSTREAM | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | itamar, sheltren |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: |
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.
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-02-09 22:09:52 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1926969, 1926971 | ||
| Bug Blocks: | 1926973 | ||
|
Description
Guilherme de Almeida Suckevicz
2021-02-09 18:44:55 UTC
Created ytnef tracking bugs for this issue: Affects: epel-7 [bug 1926971] Affects: fedora-all [bug 1926969] This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products. External References: https://github.com/Yeraze/ytnef/issues/86 |