Vulnerability in Gnupg Libksba
CVE-2016-4574
Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.
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: 0.028 (85.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Gnupg Libksba
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
- openSUSE Leap — versions 42.1
- openSUSE — versions 13.2
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2016/05/10/3 (mailing-list)
- www.ubuntu.com/usn/USN-2982-1 (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2016-06/msg00028.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/05/10/4 (mailing-list)
- lists.opensuse.org/opensuse-updates/2016-05/msg00087.html (vendor-advisory)
- git.gnupg.org/cgi-bin/gitweb.cgi
Frequently asked questions
- What is CVE-2016-4574?
- CVE-2016-4574 is a high-severity vulnerability in Gnupg Libksba, classified under CWE-189. CVSS score: 7.5/10. Published 2016-06-13.
- How severe is CVE-2016-4574?
- High severity. CVSS v3 base score is 7.5 out of 10.