Buffer overflow in Unzip Project
CVE-2014-9636
unzip 6.0 allows remote attackers to cause a denial of service (out-of-bounds read or write and crash) via an extra field with an uncompressed size smaller than the compressed field size in a zip archive that advertises STORED method compression.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.119 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.119 · newest: 0.119 · change: 0.000
Affected products
- Unzip Project — versions 6.0
- Canonical Ubuntu Linux — versions 10.04, 12.04, 14.04
- Debian Linux — versions 7.0
- Fedoraproject Fedora — versions 20, 21
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seclists.org/oss-sec/2014/q4/1131 (mailing-list)
- secunia.com/advisories/62738 (third-party-advisory)
- security.gentoo.org/glsa/201611-01 (vendor-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-January/148849.html (vendor-advisory)
- secunia.com/advisories/62751 (third-party-advisory)
- seclists.org/oss-sec/2015/q1/216 (mailing-list)
- www.securityfocus.com/bid/71825 (vdb-entry)
- www.ubuntu.com/usn/USN-2489-1 (vendor-advisory)
- www.debian.org/security/2015/dsa-3152 (vendor-advisory)
- seclists.org/oss-sec/2014/q4/489 (mailing-list)
Frequently asked questions
- What is CVE-2014-9636?
- CVE-2014-9636 is a vulnerability in Unzip Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-02-06.
- Is CVE-2014-9636 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.