CVE-2011-3607

Public Exploit

Description

Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.

Category

4.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.35%
Vendor Advisory hp.com Vendor Advisory marc.info Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory marc.info Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory mandriva.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 vendor advisory
http://marc.info/?l=bugtraq&m=134987041210674&w=2 vendor advisory
https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/811422 exploit
http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html exploit
http://rhn.redhat.com/errata/RHSA-2012-0543.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=750935
http://marc.info/?l=bugtraq&m=133294460209056&w=2 vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-0128.html vendor advisory
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
http://secunia.com/advisories/45793 third party advisory vendor advisory
http://www.securityfocus.com/bid/50494 vdb entry
http://rhn.redhat.com/errata/RHSA-2012-0542.html vendor advisory
http://securitytracker.com/id?1026267 vdb entry
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html vendor advisory
http://support.apple.com/kb/HT5501
http://www.oracle.com/technetwork/topics/security/cpujul2012-392727.html
http://www.fujitsu.com/global/support/software/security/products-f/interstage-201303e.html
http://archives.neohapsis.com/archives/fulldisclosure/2011-11/0023.html mailing list
http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/ exploit
http://www.osvdb.org/76744 vdb entry
http://marc.info/?l=bugtraq&m=133494237717847&w=2 vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 vendor advisory
http://secunia.com/advisories/48551 third party advisory
http://www.debian.org/security/2012/dsa-2405 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/71093 vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2012:003 vendor advisory
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E mailing list
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/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%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/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r688df6f16f141e966a0a47f817e559312b3da27886f59116a94b273d%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/re2e23465bbdb17ffe109d21b4f192e6b58221cd7aa8797d530b4cd75%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r1d201e3da31a2c8aa870c8314623caef7debd74a13d0f25205e26f15%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/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E mailing list
https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%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-2011-3607?
CVE-2011-3607 has been scored as a medium severity vulnerability.
How to fix CVE-2011-3607?
To fix CVE-2011-3607, 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-2011-3607 being actively exploited in the wild?
It is possible that CVE-2011-3607 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.