CVE-2019-5721 — Use After Free in Wireshark

CWE-416 — Use After Free6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.2%
top 60.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
WiresharkDebian Wireshark
Timeline
PublishedJan 8
Latest updateMay 13

Description

In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed in epan/dissectors/packet-enip.c by changing the memory-management approach so that a use-after-free is avoided.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/wireshark< wireshark 2.6.1-1 (bookworm)
▶Debianwireshark/wireshark< 2.6.1-1+3
▶NVDwireshark/wireshark2.4.0 — 2.4.11

🔴Vulnerability Details

2
GHSA
GHSA-7gxq-23xx-mvh2: In Wireshark 2↗2022-05-13
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OSV
CVE-2019-5721: In Wireshark 2↗2019-01-08
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📋Vendor Advisories

2
Red Hat
wireshark: use-after-free in ENIP dissector results in denial of service↗2019-01-08
▶
Debian
CVE-2019-5721: wireshark - In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed...↗2019
▶

💬Community

1
Bugzilla
CVE-2019-5721 wireshark: use-after-free in ENIP dissector results in denial of service↗2019-01-15
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