Bug 2121292 (CVE-2021-33644)
| Summary: | CVE-2021-33644 libtar: out-of-bounds read in gnu_longname | ||
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| Product: | [Other] Security Response | Reporter: | Sandipan Roy <saroy> |
| Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
| Status: | CLOSED ERRATA | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | huzaifas, kdudka, praiskup |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: |
A flaw was found in libtar. This flaw allows an attacker who submits a crafted tar file with size in header struct being 0 to trigger a calling of malloc(0) for a variable gnu_longname, causing an out-of-bounds read.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2023-05-16 14:50:50 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: | 2121300, 2121325 | ||
| Bug Blocks: | 2117835 | ||
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Description
Sandipan Roy
2022-08-25 05:11:32 UTC
Created libtar tracking bugs for this issue: Affects: fedora-all [bug 2121300] The security fixes in question seem to be available in this source RPM package: https://repo.openeuler.org/openEuler-22.03-LTS/update/source/Packages/libtar-1.2.20-21.oe2203.src.rpm This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2023:2898 https://access.redhat.com/errata/RHSA-2023:2898 This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2021-33644 |