Buffer overflow in Libarchive
CVE-2018-1000880
libarchive version commit 9693801580c0cf7c70e862d305270a16b52826a7 onwards (release v3.2.0 onwards) contains a CWE-20: Improper Input Validation vulnerability in WARC parser - libarchive/archive_read_support_format_warc.c, _warc_read() that can result in DoS - quasi-infinite run time and disk usage from tiny file. This attack appear to be exploitable via the victim must open a specially crafted WARC file.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.041 (90.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.041 · newest: 0.041 · change: 0.000
Affected products
- Libarchive
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Fedoraproject Fedora — versions 29, 30
- openSUSE Leap — versions 15.0
Weakness classification (CWE)
References
- usn.ubuntu.com/3859-1/ (vendor-advisory, Third Party Advisory)
- bugs.launchpad.net/ubuntu/+source/libarchive/+bug/1794909 (Patch, Third Party Advisory)
- www.debian.org/security/2018/dsa-4360 (vendor-advisory, Third Party Advisory)
- github.com/libarchive/libarchive/pull/1105/commits/9c84b7426660c09c18cc349f6d70… (Patch, Third Party Advisory)
- github.com/libarchive/libarchive/pull/1105 (Third Party Advisory)
- www.securityfocus.com/bid/106324 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00055.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-1000880?
- CVE-2018-1000880 is a medium-severity vulnerability in Libarchive, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2018-12-20.
- How severe is CVE-2018-1000880?
- Medium severity. CVSS v3 base score is 6.5 out of 10.