CVE-2020-25863 — Use After Free in Wireshark

CWE-416 — Use After Free9 documents8 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 60.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
WiresharkDebian LinuxFedoraproject Fedora+2 more
Timeline
PublishedOct 6
Latest updateJul 31

Description

In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the MIME Multipart dissector could crash. This was addressed in epan/dissectors/packet-multipart.c by correcting the deallocation of invalid MIME parts.

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

▶Debianwireshark/wireshark< 3.2.7-1+3
▶NVDwireshark/wireshark2.6.0 — 2.6.20+2
▶NVDopensuse/leap15.1, 15.2+1

Also affects: Debian Linux 9.0, Fedora 31, 32, 33

Patches

Patch: gitlab.com ↗Patch: gitlab.com ↗Patch: www.oracle.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-h5f3-p3hm-f3rj: In Wireshark 3↗2022-05-24
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CVEList
CVE-2020-25863: In Wireshark 3↗2020-10-06
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OSV
CVE-2020-25863: In Wireshark 3↗2020-10-06
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📋Vendor Advisories

3
Ubuntu
Wireshark vulnerabilities↗2023-07-31
▶
Red Hat
wireshark: MIME multipart dissector crash (wnpa-sec-2020-11)↗2020-09-23
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Debian
CVE-2020-25863: wireshark - In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the MIME Mult...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-25863 wireshark: MIME multipart dissector crash (wnpa-sec-2020-11) [fedora-all]↗2020-10-07
▶
Bugzilla
CVE-2020-25863 wireshark: MIME multipart dissector crash (wnpa-sec-2020-11)↗2020-10-07
▶
CVE-2020-25863 — Use After Free in Wireshark | cvebase