CVE-2022-36227
NOTE: the discoverer cites this CWE-476 remark but third parties dispute the code-execution impact: "In rare circumstances, when NULL is equivalent to the 0x0 memory address and privileged code can access it, then writing or reading memory is possible,…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In libarchive before 3.6.2, the software does not check for an error after calling calloc function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference. NOTE: the discoverer cites this CWE-476 remark but third parties dispute the code-execution impact: "In rare circumstances, when NULL is equivalent to the 0x0 memory address and privileged code can access it, then writing or reading memory is possible, which may lead to code execution."
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.36% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- libarchive/libarchive · debian/debian linux · fedoraproject/fedora · splunk/universal forwarder
- Source
- cve@mitre.org
References
- https://bugs.gentoo.org/882521Issue Tracking, Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/blob/v3.0.0a/libarchive/archive_write.c#L215Third Party Advisory
- https://github.com/libarchive/libarchive/issues/1754Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00034.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V67OO2UUQAUJS3IK4JZPF6F3LUCBU6IS/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202309-14Third Party Advisory
- https://bugs.gentoo.org/882521Issue Tracking, Patch, Third Party Advisory
- https://github.com/libarchive/libarchive/blob/v3.0.0a/libarchive/archive_write.c#L215Third Party Advisory
- https://github.com/libarchive/libarchive/issues/1754Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/01/msg00034.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/11/msg00007.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V67OO2UUQAUJS3IK4JZPF6F3LUCBU6IS/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202309-14Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.