CVE-2017-7869

MEDIUM

Description

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.

References

http://www.securityfocus.com/bid/97040

https://access.redhat.com/errata/RHSA-2017:2292

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=420

https://gitlab.com/gnutls/gnutls/commit/51464af713d71802e3c6d5ac15f1a95132a354fe

https://www.gnutls.org/security.html

Details

Source: MITRE

Published: 2017-04-14

Updated: 2018-01-05

Type: CWE-787

Risk Information

CVSS v2.0

Base Score: 5

Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH