PT-2017-9433 · Alt Linux+1 · Alt Linux+1

Published 2016-10-13 · Updated 2017-04-17 · CVE-2016-7957

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Wireshark version 2.2.0 ALT Linux (affected versions not specified)

Description The issue is related to a crash in the Bluetooth L2CAP dissector, which can be triggered by packet injection or a malformed capture file. This occurs due to the use of a seven-byte memcmp for potentially shorter strings.

Recommendations For Wireshark version 2.2.0, update the epan/dissectors/packet-btl2cap.c file to avoid using a seven-byte memcmp for potentially shorter strings. At the moment, there is no information about a newer version that contains a fix for this vulnerability in ALT Linux.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ALT-PU-2016-2094

CVE-2016-7957

Affected Products

Alt Linux

Wireshark

References · 16

• https://osv.dev/vulnerability/UBUNTU-CVE-2016-7957 · Vendor Advisory
• https://errata.altlinux.org/ALT-PU-2016-2094 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-7957 · Vendor Advisory
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=12825 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-7957 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-7957 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2016-7957 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7958 · Security Note
• https://ubuntu.com/security/CVE-2016-7957 · Vendor Advisory
• https://wireshark.org/security/wnpa-sec-2016-56.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7957 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2016-7957 · Vendor Advisory
• http://securityfocus.com/bid/97597 · Note
• https://packages.altlinux.org/ru/vuln/CVE-2016-7957 · Note
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=355b56b1c6c545072ac0c1225730b526c6749f0a · Note