High severity · published Feb 26, 2024
CVE-2024-23839
Suricata http: heap use after free with http.request_header and http.response_header keywords
8.1
CVSS
0.8%
EPSS
No
On KEV
Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.3, specially crafted traffic can cause a heap use after free if the ruleset uses the http.request_header or http.response_header keyword. The vulnerability has been patched in 7.0.3. To work around the vulnerability, avoid the http.request_header and http.response_header keywords.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
suricata · OISF
>= 7.0.0, < 7.0.3 · source: vendor, NVD, CISA
FE
Fedora · Fedoraproject
38; 39 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-23839
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-23839
Patch
https://github.com/OISF/suricata/commit/cd731fcaf42e5f7078c9be643bfa0cee2ad53e8f
Mitigation
https://github.com/OISF/suricata/security/advisories/GHSA-qxj6-hr2p-mmc7
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GOCOBFUTIFHOP2PZOH4ENRFXRBHIRKK4/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXJIT7R53ZXROO3I256RFUWTIW4ECK6P/
Issue Tracking
https://redmine.openinfosecfoundation.org/issues/6657
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