Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use rules with `base64_decode` keyword with `bytes` option with value 1, 2 or 5 and for 7.0.x, setting `app-layer.protocols.smtp.mime.body-md5` to false.
References (3)
Core 3
Core References
Mitigation, Vendor Advisory x_refsource_confirm
https://github.com/OISF/suricata/security/advisories/GHSA-79vh-hpwq-3jh7
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/311002baf288a225f62cf18a90c5fdd294447379
Patch x_refsource_misc
https://github.com/OISF/suricata/commit/d5ffecf11ad2c6fe89265e518f5d7443caf26ba4
Scores
CVSS v3
5.3
EPSS
0.0033
EPSS Percentile
55.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-122
CWE-120
Status
published
Products (1)
oisf/suricata
6.0.0 - 6.0.19
Published
May 07, 2024
Tracked Since
Feb 18, 2026