CVE-2009-1955

7.5HIGH

Key Information:

Vendor
Apache
Status
Apr-util
Vendor
CVE Published:
8 June 2009

Summary

The expat XML parser in the apr_xml_* interface in xml/apr_xml.c in Apache APR-util before 1.3.7, as used in the mod_dav and mod_dav_svn modules in the Apache HTTP Server, allows remote attackers to cause a denial of service (memory consumption) via a crafted XML document containing a large number of nested entity references, as demonstrated by a PROPFIND request, a similar issue to CVE-2003-1564.

References

http://secunia.com/advisories/35487
third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2009/dsa-1812
vendor-advisoryx_refsource_DEBIAN
http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3
x_refsource_CONFIRM

EPSS Score

33% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.