Vulnerability in Apache HTTP Server
CVE-2011-3607
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.
EPSS: 0.047 (90.9th percentile) — read the EPSS interpretation.
Affected products
- Apache Http_server — versions 2.0, 2.0.9, 2.0.28
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Exploit)
- secalert@redhat.com (Exploit, x_refsource_MISC)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_HP, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2011-3607?
- CVE-2011-3607 is a vulnerability in Apache HTTP Server, classified under CWE-189. Published 2011-11-08.
- Is CVE-2011-3607 known to be exploited?
- 23 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.