NULL pointer dereference in Libarchive
CVE-2018-1000879
libarchive version commit 379867ecb330b3a952fb7bfa7bffb7bbd5547205 onwards (release v3.3.0 onwards) contains a CWE-476: NULL Pointer Dereference vulnerability in ACL parser - libarchive/archive_acl.c, archive_acl_from_text_l() that can result in Crash/DoS. This attack appear to be exploitable via the victim must open a specially crafted archive file.
EPSS: 0.034 (87.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Libarchive
- Fedoraproject Fedora — versions 28, 29, 30
- Opensuse Leap — versions 15.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2018-1000879?
- CVE-2018-1000879 is a medium-severity vulnerability in Libarchive, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2018-12-20.
- How severe is CVE-2018-1000879?
- Medium severity. CVSS v3 base score is 6.5 out of 10.