Buffer overflow in Gnupg Libksba
CVE-2016-4355
Multiple integer overflows in ber-decoder.c in Libksba before 1.3.3 allow remote attackers to cause a denial of service (crash) via crafted BER data, which leads to a buffer overflow.
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: 0.019 (78.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Gnupg Libksba
- Canonical Ubuntu Linux — versions 12.04, 14.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-2982-1 (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/04/29/5 (mailing-list)
- git.gnupg.org/cgi-bin/gitweb.cgi
- www.openwall.com/lists/oss-security/2016/04/29/8 (mailing-list)
- security.gentoo.org/glsa/201604-04 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-4355?
- CVE-2016-4355 is a high-severity vulnerability in Gnupg Libksba, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-06-13.
- How severe is CVE-2016-4355?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-4355 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.