Buffer overflow in 7-Zip
CVE-2016-2335
The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the PartitionRef field in the Long Allocation Descriptor in a UDF file.
Vulnerability class: Buffer Overflow
EPSS: 0.098 (95.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- 7-zip — versions 9.20, 15.05
- Debian Debian_linux — versions 8.0, 9.0
- Opensuse — versions 13.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cret@cert.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cret@cert.org (vendor-advisory, x_refsource_FEDORA)
- cret@cert.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- 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, Third Party Advisory, x_refsource_GENTOO)
- cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cret@cert.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- cret@cert.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cret@cert.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2016-2335?
- CVE-2016-2335 is a high-severity vulnerability in 7-Zip, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-06-07.
- How severe is CVE-2016-2335?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2016-2335 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.