Buffer overflow in GNU Gnutls
CVE-2017-5337
Multiple heap-based buffer overflows in the read_attribute function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allow remote attackers to have unspecified impact via a crafted OpenPGP certificate.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.062 (93.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.062 · newest: 0.062 · change: 0.000
Affected products
- GNU Gnutls — versions 3.5.0, 3.5.1, 3.5.2
- openSUSE Leap — versions 42.1, 42.2
Weakness classification (CWE)
References
- www.openwall.com/lists/oss-security/2017/01/10/7 (mailing-list, Patch, Mailing List, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2292 (vendor-advisory)
- www.securitytracker.com/id/1037576 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2017/01/11/4 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2017-02/msg00005.html (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/95372 (VDB Entry, Third Party Advisory, vdb-entry)
- rhn.redhat.com/errata/RHSA-2017-0574.html (vendor-advisory)
- security.gentoo.org/glsa/201702-04 (vendor-advisory, Patch, Third Party Advisory, Vendor Advisory)
- gnutls.org/security.html (Vendor Advisory)
- gitlab.com/gnutls/gnutls/commit/94fcf1645ea17223237aaf8d19132e004afddc1a (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-5337?
- CVE-2017-5337 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-2017-5337?
- Critical severity. CVSS v3 base score is 9.8 out of 10.