Vulnerability Details : CVE-2016-7176
epan/dissectors/packet-h225.c in the H.225 dissector in Wireshark 2.x before 2.0.6 calls snprintf with one of its input buffers as the output buffer, which allows remote attackers to cause a denial of service (copy overlap and application crash) via a crafted packet.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2016-7176
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:wireshark:wireshark:2.0.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-7176
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-7176
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2016-7176
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-7176
-
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6d8261994bb928b7e80e3a2478a3d939ea1ef373
code.wireshark Code Review - wireshark.git/commitIssue Tracking;Patch
-
http://www.securitytracker.com/id/1036760
Wireshark QNX6 QNET, H.225, Catapult DCT2000, UMTS FP, and IPMI Trace Dissector Bugs Lets Remote Users Cause the Target Service to Crash - SecurityTrackerThird Party Advisory;VDB Entry
-
https://code.wireshark.org/review/16852
Change I2fc6416e: Don't snprintf() into a string with one of the arguments being the same string. | code.wireshark Code ReviewIssue Tracking;Patch
-
http://www.debian.org/security/2016/dsa-3671
Debian -- Security Information -- DSA-3671-1 wiresharkThird Party Advisory
-
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12700
12700 – Buildbot crash output: fuzz-2016-08-02-16422.pcapIssue Tracking
-
https://www.wireshark.org/security/wnpa-sec-2016-51.html
Wireshark · wnpa-sec-2016-51 · H.225 dissector crashVendor Advisory
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