CVE-2017-7869

moderate-risk
Published 2017-04-14

GnuTLS before 2017-02-20 has an out-of-bounds write caused by an integer overflow and heap-based buffer overflow related to the cdk_pkt_read function in opencdk/read-packet.c. This issue (which is a subset of the vendor's GNUTLS-SA-2017-3 report) is fixed in 3.5.10.

Do I need to act?

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0.70% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Gnu

References (10)

Third Party Advisory http://www.securityfocus.com/bid/97040
https://access.redhat.com/errata/RHSA-2017:2292
Third Party Advisory https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=420
Patch https://gitlab.com/gnutls/gnutls/commit/51464af713d71802e3c6d5ac15f1a95132a354fe
Patch https://www.gnutls.org/security.html
Third Party Advisory http://www.securityfocus.com/bid/97040
https://access.redhat.com/errata/RHSA-2017:2292
Third Party Advisory https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=420
Patch https://gitlab.com/gnutls/gnutls/commit/51464af713d71802e3c6d5ac15f1a95132a354fe
Patch https://www.gnutls.org/security.html
33
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal