Use-after-free error in Wireshark - CVE-2018-11358

Vulnerability identifier: #VU13030

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-11358

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in epan/dissectors/packet-q931.c due to use-after-free memory error. A remote attacker can inject a malformed packet onto the wire or convince someone to read a malformed packet trace file, trigger memory corruption and cause the Q.931 dissector and other dissectors to crash.

Wireshark
Arch Linux
Debian Linux
Opensuse
Fedora
wireshark (Alpine package)
drupal7 (Alpine package)
openSUSE Leap
wireshark

The vulnerability is addressed in the following versions: 2.6.1, 2.4.7, 2.2.15.

wireshark (Alpine package) - update to 2.2.15-r0
drupal7 (Alpine package) - update to 7.66-r0
wireshark - addressed in versions 2.6.1-1.fc27, 2.6.1-1.fc28

• https://www.wireshark.org/security/wnpa-sec-2018-31.html

• Multiple vulnerabilities in Wireshark
• Arch Linux update for wireshark-cli
• Arch Linux update for wireshark-common
• Arch Linux update for wireshark-qt
• Arch Linux update for wireshark-gtk
• OpenSUSE Linux update for wireshark
• Debian update for wireshark
• OpenSUSE Linux update for wireshark
• Use-after-free error in drupal7 (Alpine package)
• Use-after-free error in wireshark (Alpine package)
• Fedora 27 update for wireshark
• Fedora 28 update for wireshark