High severity · published Jan 6, 2025
CVE-2024-55627
Suricata segfault on StreamingBufferSlideToOffsetWithRegions
7.5
CVSS
1%
EPSS
No
On KEV
Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer underflow. The issue has been addressed in Suricata 7.0.8.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
suricata · OISF
< 7.0.8 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-55627
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-55627
Patch
https://github.com/OISF/suricata/commit/282509f70c4ce805098e59535af445362e3e9ebd
Patch
https://github.com/OISF/suricata/commit/8900041405dbb5f9584edae994af2100733fb4be
Patch
https://github.com/OISF/suricata/commit/9a53ec43b13f0039a083950511a18bf6f408e432
Vendor Advisory
https://github.com/OISF/suricata/security/advisories/GHSA-h2mv-7gg8-8x7v
Permissions Required
https://redmine.openinfosecfoundation.org/issues/7393
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