Out-of-bounds Read in Libarchive
CVE-2015-8927
The trad_enc_decrypt_update function in archive_read_support_format_zip.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds heap read and crash) via a crafted zip file, related to reading the password.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html (Third Party Advisory)
- github.com/libarchive/libarchive/issues/523 (Exploit, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2016/06/17/2 (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/201701-03 (vendor-advisory)
- www.securityfocus.com/bid/91329 (vdb-entry)
- www.openwall.com/lists/oss-security/2016/06/17/5 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-8927?
- CVE-2015-8927 is a medium-severity vulnerability in Libarchive, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2016-09-20.
- How severe is CVE-2015-8927?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2015-8927 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.