Vulnerability Details : CVE-2017-7869
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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2017-7869
- cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7869
0.54%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7869
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-7869
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7869
-
https://gitlab.com/gnutls/gnutls/commit/51464af713d71802e3c6d5ac15f1a95132a354fe
cdk_pkt_read: enforce packet limits (51464af7) · Commits · gnutls / GnuTLS · GitLabPatch
-
https://www.gnutls.org/security.html
GnuTLSPatch;Vendor Advisory
-
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=420
420 - gnutls: Heap-buffer-overflow in cdk_pkt_read - oss-fuzz - MonorailThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:2292
RHSA-2017:2292 - Security Advisory - Red Hat Customer Portal
-
http://www.securityfocus.com/bid/97040
GnuTLS GNUTLS-SA-2017-3 Multiple Security VulnerabilitiesThird Party Advisory;VDB Entry
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