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
EPSS: 0.019 (77.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Gnupg Libksba
- Canonical Ubuntu_linux — versions 12.04, 14.04
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (vendor-advisory, x_refsource_GENTOO)
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.