CVE-2009-1956

Public Exploit

Description

Off-by-one error in the apr_brigade_vprintf function in Apache APR-util before 1.3.5 on big-endian platforms allows remote attackers to obtain sensitive information or cause a denial of service (application crash) via crafted input.

Category

6.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 4.26% Top 15%
Vendor Advisory redhat.com Vendor Advisory ibm.com Vendor Advisory mandriva.com Vendor Advisory ibm.com Vendor Advisory ibm.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory apple.com Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/35487 third party advisory broken link
http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3 vendor advisory
http://www.vupen.com/english/advisories/2009/1907 vdb entry permissions required
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01228.html third party advisory vendor advisory
http://www-01.ibm.com/support/docview.wss?uid=swg1PK88341 third party advisory vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:131 vendor advisory broken link
http://secunia.com/advisories/35395 third party advisory broken link
http://www-01.ibm.com/support/docview.wss?uid=swg1PK99478 third party advisory vendor advisory
http://secunia.com/advisories/35284 third party advisory broken link
http://www-01.ibm.com/support/docview.wss?uid=swg1PK91241 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2009/06/06/1 patch mailing list exploit
http://www.securityfocus.com/bid/35251 third party advisory vdb entry
http://secunia.com/advisories/35843 third party advisory broken link
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01173.html third party advisory vendor advisory
http://www.redhat.com/support/errata/RHSA-2009-1108.html third party advisory vendor advisory
http://marc.info/?l=bugtraq&m=129190899612998&w=2 vendor advisory mailing list third party advisory
http://secunia.com/advisories/35797 third party advisory broken link
http://svn.apache.org/viewvc?view=rev&revision=768417 third party advisory patch
http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html third party advisory
http://security.gentoo.org/glsa/glsa-200907-03.xml third party advisory vendor advisory
http://www.mail-archive.com/dev%40apr.apache.org/msg21592.html mailing list
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11567 signature third party advisory vdb entry
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01201.html third party advisory vendor advisory
http://www.mail-archive.com/dev%40apr.apache.org/msg21591.html mailing list
http://www.ubuntu.com/usn/usn-786-1 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=504390 patch exploit third party advisory issue tracking
http://secunia.com/advisories/34724 third party advisory broken link
http://secunia.com/advisories/37221 third party advisory broken link
http://secunia.com/advisories/35565 third party advisory broken link
http://www.vupen.com/english/advisories/2009/3184 vdb entry permissions required
http://www-01.ibm.com/support/docview.wss?uid=swg27014463 third party advisory
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html vendor advisory mailing list third party advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 vendor advisory broken link
http://secunia.com/advisories/35710 third party advisory broken link
http://www.redhat.com/support/errata/RHSA-2009-1107.html third party advisory vendor advisory
http://support.apple.com/kb/HT3937 third party advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12237 signature third party advisory vdb entry
http://www.ubuntu.com/usn/usn-787-1 third party advisory vendor advisory
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E mailing list

Frequently Asked Questions

What is the severity of CVE-2009-1956?
CVE-2009-1956 has been scored as a medium severity vulnerability.
How to fix CVE-2009-1956?
To fix CVE-2009-1956, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1956 being actively exploited in the wild?
It is possible that CVE-2009-1956 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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