CVE-2009-1955
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 53.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 52.99% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-776
- Affected
- apache/apr-util · apple/mac os x · suse/linux enterprise server · debian/debian linux · canonical/ubuntu linux · fedoraproject/fedora · oracle/http server · apache/http server
- Source
- cve@mitre.org
References
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.htmlMailing List, Third Party Advisory
- http://marc.info/?l=apr-dev&m=124396021826125&w=2Mailing List, Patch
- http://marc.info/?l=bugtraq&m=129190899612998&w=2Mailing List
- http://secunia.com/advisories/34724Broken Link, Third Party Advisory
- http://secunia.com/advisories/35284Broken Link, Third Party Advisory
- http://secunia.com/advisories/35360Broken Link, Third Party Advisory
- http://secunia.com/advisories/35395Broken Link, Third Party Advisory
- http://secunia.com/advisories/35444Broken Link, Third Party Advisory
- http://secunia.com/advisories/35487Broken Link, Third Party Advisory
- http://secunia.com/advisories/35565Broken Link, Third Party Advisory
- http://secunia.com/advisories/35710Broken Link, Third Party Advisory
- http://secunia.com/advisories/35797Broken Link, Third Party Advisory
- http://secunia.com/advisories/35843Broken Link, Third Party Advisory
- http://secunia.com/advisories/36473Broken Link, Third Party Advisory
- http://secunia.com/advisories/37221Broken Link, Third Party Advisory
- http://security.gentoo.org/glsa/glsa-200907-03.xmlThird Party Advisory
- http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.538210Broken Link, Third Party Advisory
- http://support.apple.com/kb/HT3937Broken Link
- http://svn.apache.org/viewvc?view=rev&revision=781403Patch
- http://wiki.rpath.com/Advisories:rPSA-2009-0123Broken Link
- http://www-01.ibm.com/support/docview.wss?uid=swg1PK88342Broken Link
- http://www-01.ibm.com/support/docview.wss?uid=swg1PK91241Broken Link, Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg1PK99478Broken Link, Third Party Advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg27014463Broken Link, Third Party Advisory
- http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3Broken Link
- http://www.debian.org/security/2009/dsa-1812Mailing List, Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:131Broken Link, Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150Broken Link, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2009/06/03/4Mailing List
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.