CVE-2020-26575 — Infinite Loop in Wireshark

CWE-835 — Infinite Loop8 documents7 sources
Severity
7.5HIGHNVD
EPSS
2.2%
top 15.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
WiresharkDebian LinuxFedoraproject Fedora+1 more
Timeline
PublishedOct 6
Latest updateMay 24

Description

In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.

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 Packages3 packages

▶Debianwireshark/wireshark< 3.2.8-0.1+3

Also affects: Debian Linux 9.0, Fedora 32, 33

Patches

Patch: gitlab.com ↗Patch: gitlab.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-vw2j-3xrw-2q58: In Wireshark through 3↗2022-05-24
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OSV
CVE-2020-26575: In Wireshark through 3↗2020-10-06
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CVEList
CVE-2020-26575: In Wireshark through 3↗2020-10-06
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📋Vendor Advisories

2
Red Hat
wireshark: FBZERO dissector could enter an infinite loop↗2020-10-06
▶
Debian
CVE-2020-26575: wireshark - In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector co...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-26575 wireshark: FBZERO dissector could enter an infinite loop↗2020-10-07
▶
Bugzilla
CVE-2020-26575 wireshark: FBZERO dissector could enter an infinite loop [fedora-all]↗2020-10-07
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CVE-2020-26575 — Infinite Loop in Wireshark | cvebase