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CVE-2009-3720Date: (C)2009-11-03   (M)2024-04-19


The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with crafted UTF-8 sequences that trigger a buffer over-read, a different vulnerability than CVE-2009-2625.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 5.0
Exploit Score: 10.0
Impact Score: 2.9
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: PARTIAL
  
Reference:
SECTRACK-1023160
SUNALERT-273630
SECUNIA-37324
SECUNIA-37537
SECUNIA-37925
SECUNIA-38050
SECUNIA-38231
SECUNIA-38794
SECUNIA-38832
SECUNIA-38834
SECUNIA-39478
SECUNIA-41701
SECUNIA-42326
SECUNIA-42338
SECUNIA-43300
ADV-2010-0528
ADV-2010-0896
ADV-2010-1107
ADV-2010-3035
ADV-2010-3053
ADV-2010-3061
ADV-2011-0359
FEDORA-2009-12690
FEDORA-2009-12737
FEDORA-2009-12753
FEDORA-2010-17720
FEDORA-2010-17732
FEDORA-2010-17762
FEDORA-2010-17807
FEDORA-2010-17819
HPSBUX02645
MDVSA-2009:211
MDVSA-2009:212
MDVSA-2009:215
MDVSA-2009:216
MDVSA-2009:217
MDVSA-2009:218
MDVSA-2009:219
MDVSA-2009:220
RHSA-2010:0002
RHSA-2011:0896
SSA:2011-041-02
SUSE-SR:2009:018
SUSE-SR:2010:011
SUSE-SR:2010:012
SUSE-SR:2010:013
SUSE-SR:2010:014
USN-890-1
USN-890-6
http://mail.python.org/pipermail/expat-bugs/2009-January/002781.html
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
http://www.openwall.com/lists/oss-security/2009/08/21/2
http://www.openwall.com/lists/oss-security/2009/08/26/4
http://www.openwall.com/lists/oss-security/2009/08/26/3
http://www.openwall.com/lists/oss-security/2009/08/27/6
http://www.openwall.com/lists/oss-security/2009/09/06/1
http://www.openwall.com/lists/oss-security/2009/10/23/2
http://www.openwall.com/lists/oss-security/2009/10/22/9
http://www.openwall.com/lists/oss-security/2009/10/22/5
http://www.openwall.com/lists/oss-security/2009/10/23/6
http://www.openwall.com/lists/oss-security/2009/10/26/3
http://www.openwall.com/lists/oss-security/2009/10/28/3
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?r1=1.13&r2=1.15&view=patch
http://expat.cvs.sourceforge.net/viewvc/expat/expat/lib/xmltok_impl.c?view=log
http://sourceforge.net/tracker/index.php?func=detail&aid=1990430&group_id=10127&atid=110127
http://svn.python.org/view?view=rev&revision=74429
https://bugs.gentoo.org/show_bug.cgi?id=280615
https://bugzilla.redhat.com/show_bug.cgi?id=531697
oval:org.mitre.oval:def:11019
oval:org.mitre.oval:def:12719
oval:org.mitre.oval:def:7112

OVAL    73
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oval:org.secpod.oval:def:300972
oval:org.secpod.oval:def:700082
oval:org.secpod.oval:def:300650
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