VulnerabilityModified
CVE-2009-2855
The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function.
MEDIUM 5.0EPSS 34.0%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 34.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 34.03% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- squid-cache/squid
- Source
- cve@mitre.org
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982
- http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31%3Bfilename=diff%3Batt=1%3Bbug=534982
- http://www.openwall.com/lists/oss-security/2009/07/20/10
- http://www.openwall.com/lists/oss-security/2009/08/03/3
- http://www.openwall.com/lists/oss-security/2009/08/04/6
- http://www.securityfocus.com/bid/36091
- http://www.securitytracker.com/id?1022757
- http://www.squid-cache.org/bugs/show_bug.cgi?id=2541
- http://www.squid-cache.org/bugs/show_bug.cgi?id=2704Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=518182
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52610
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982
- http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31%3Bfilename=diff%3Batt=1%3Bbug=534982
- http://www.openwall.com/lists/oss-security/2009/07/20/10
- http://www.openwall.com/lists/oss-security/2009/08/03/3
- http://www.openwall.com/lists/oss-security/2009/08/04/6
- http://www.securityfocus.com/bid/36091
- http://www.securitytracker.com/id?1022757
- http://www.squid-cache.org/bugs/show_bug.cgi?id=2541
- http://www.squid-cache.org/bugs/show_bug.cgi?id=2704Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=518182
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52610
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.