Buffer overflow in Libarchive
CVE-2015-8919
The lha_read_file_extended_header function in archive_read_support_format_lha.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds heap) via a crafted (1) lzh or (2) lha file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.045 (91.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.045 · newest: 0.045 · change: 0.000
Affected products
- Libarchive
- Novell SUSE Linux Enterprise Desktop — versions 12.0
- Novell SUSE Linux Enterprise Server — versions 12.0
- Novell SUSE Linux Enterprise Software Development Kit — versions 12.0
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/91302 (vdb-entry)
- www.ubuntu.com/usn/USN-3033-1 (vendor-advisory, Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2016-1844.html (vendor-advisory)
- blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html (Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html (vendor-advisory, Third Party Advisory)
- github.com/libarchive/libarchive/issues/510 (Patch)
- www.openwall.com/lists/oss-security/2016/06/17/2 (mailing-list, Third Party Advisory)
- security.gentoo.org/glsa/201701-03 (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/06/17/5 (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-8919?
- CVE-2015-8919 is a high-severity vulnerability in Libarchive, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-09-20.
- How severe is CVE-2015-8919?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-8919 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.