Bug 2121289 (CVE-2021-33643)
| Summary: | CVE-2021-33643 libtar: out-of-bounds read in gnu_longlink | ||
|---|---|---|---|
| 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, kvolny, 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 the size in the header struct being 0 to trigger a calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2023-05-16 14:49:43 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: | 2121291, 2121326 | ||
| Bug Blocks: | 2117835 | ||
|
Description
Sandipan Roy
2022-08-25 05:08:51 UTC
Created libtar tracking bugs for this issue: Affects: fedora-all [bug 2121291] 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 (In reply to Sandipan Roy from comment #0) > https://www.openeuler.org/en/security/safety-bulletin/detail. > html?id=openEuler-SA-2022-1807 this returns 404 not found do we have a reproducer? In reply to comment #4: > (In reply to Sandipan Roy from comment #0) > > https://www.openeuler.org/en/security/safety-bulletin/detail. > > html?id=openEuler-SA-2022-1807 > > this returns 404 not found > > do we have a reproducer? I'm also seeing 404 now, I don't have any reproducer or test cases. 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-2021-33643 |