CVE-2018-11356 — NULL Pointer Dereference in Wireshark

CWE-476 — NULL Pointer DereferenceCWE-125 — Out-of-bounds Read8 documents6 sources
Severity
7.5HIGHNVD
EPSS
1.2%
top 21.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
WiresharkDebian WiresharkDebian Linux
Timeline
PublishedMay 22
Latest updateMay 13

Description

In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/wireshark< wireshark 2.6.1-1 (bookworm)
▶Debianwireshark/wireshark< 2.6.1-1+3
▶NVDwireshark/wireshark2.2.0 — 2.2.14+2

Also affects: Debian Linux 8.0

🔴Vulnerability Details

2
GHSA
GHSA-cj9g-wwhq-mmwp: In Wireshark 2↗2022-05-13
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OSV
CVE-2018-11356: In Wireshark 2↗2018-05-22
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📋Vendor Advisories

2
Red Hat
wireshark: DNS dissector crash in packet-dns.c↗2018-05-12
▶
Debian
CVE-2018-11356: wireshark - In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could...↗2018
▶

💬Community

3
Bugzilla
CVE-2018-11356 wireshark: DNS dissector crash in packet-dns.c [fedora-all]↗2018-06-01
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Bugzilla
CVE-2018-11354 CVE-2018-11355 CVE-2018-11357 CVE-2018-11358 CVE-2018-11359 CVE-2018-11360 CVE-2018-11361 CVE-2018-11362 wireshark: various flaws [fedora-all]↗2018-05-23
▶
Bugzilla
CVE-2018-11356 wireshark: DNS dissector crash in packet-dns.c↗2018-05-23
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