Buffer overflow in Gnu Gnutls
CVE-2017-5336
Stack-based buffer overflow in the cdk_pk_get_keyid function in lib/opencdk/pubkey.c in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via a crafted OpenPGP certificate.
Vulnerability class: Buffer Overflow
EPSS: 0.039 (88.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnu Gnutls — versions 3.5.0, 3.5.1, 3.5.2
- Opensuse Leap — versions 42.1, 42.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@debian.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- security@debian.org (x_refsource_REDHAT, vendor-advisory)
- security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@debian.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
- security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_SUSE)
- security@debian.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- security@debian.org (x_refsource_REDHAT, vendor-advisory)
- security@debian.org (vendor-advisory, Patch, Third Party Advisory, x_refsource_GENTOO, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-5336?
- CVE-2017-5336 is a critical-severity vulnerability in Gnu Gnutls, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-03-24.
- How severe is CVE-2017-5336?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-5336 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.