Buffer overflow in 7-Zip
CVE-2016-2334
Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image.
Vulnerability class: Buffer Overflow
EPSS: 0.147 (96.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- 7-zip
- Oracle Solaris
- Fedoraproject Fedora — versions 23, 24
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cret@cert.org (vendor-advisory, x_refsource_FEDORA)
- cret@cert.org (x_refsource_MISC)
- cret@cert.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cret@cert.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cret@cert.org (vendor-advisory, x_refsource_GENTOO)
- cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cret@cert.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cret@cert.org (vendor-advisory, x_refsource_FEDORA)
Frequently asked questions
- What is CVE-2016-2334?
- CVE-2016-2334 is a high-severity vulnerability in 7-Zip, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-12-13.
- How severe is CVE-2016-2334?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-2334 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.