CVE-2020-11647 — Uncontrolled Recursion in Wireshark

CWE-674 — Uncontrolled RecursionCWE-121 — Stack-based Buffer OverflowCWE-74 — Injection7 documents6 sources
Severity
7.5HIGHNVD
EPSS
1.7%
top 17.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
WiresharkDebian WiresharkDebian Linux+1 more
Timeline
PublishedApr 10
Latest updateMay 24

Description

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/wireshark< wireshark 3.2.3-1 (bookworm)
▶Debianwireshark/wireshark< 3.2.3-1+3
▶NVDwireshark/wireshark2.6.0 — 2.6.15+2
▶NVDopensuse/leap15.1, 15.2+1

Also affects: Debian Linux 9.0

Patches

Patch: lists.opensuse.org ↗Patch: lists.opensuse.org ↗Patch: lists.opensuse.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-248h-xgcm-3q77: In Wireshark 3↗2022-05-24
▶
OSV
CVE-2020-11647: In Wireshark 3↗2020-04-10
▶

📋Vendor Advisories

2
Red Hat
wireshark: BACapp dissector crash (wnpa-sec-2020-07)↗2020-04-01
▶
Debian
CVE-2020-11647: wireshark - In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dis...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-11647 wireshark: BACapp dissector crash (wnpa-sec-2020-07) [fedora-all]↗2020-04-15
▶
Bugzilla
CVE-2020-11647 wireshark: BACapp dissector crash (wnpa-sec-2020-07)↗2020-04-15
▶
CVE-2020-11647 — Uncontrolled Recursion in Wireshark | cvebase