VulnerabilityModified
CVE-2015-8954
The MemcmpLowercase function in Suricata before 2.0.6 improperly excludes the first byte from comparisons, which might allow remote attackers to bypass intrusion-prevention functionality via a crafted HTTP request.
CRITICAL 9.8EPSS 3.26%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The MemcmpLowercase function in Suricata before 2.0.6 improperly excludes the first byte from comparisons, which might allow remote attackers to bypass intrusion-prevention functionality via a crafted HTTP request.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.26% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- openinfosecfoundation/suricata
- Source
- cve@mitre.org
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777523Third Party Advisory
- https://redmine.openinfosecfoundation.org/issues/1364Third Party Advisory
- https://suricata-ids.org/2015/01/15/suricata-2-0-6-available/Release Notes, Vendor Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=777523Third Party Advisory
- https://redmine.openinfosecfoundation.org/issues/1364Third Party Advisory
- https://suricata-ids.org/2015/01/15/suricata-2-0-6-available/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.