Vulnerability in Lighttpd
CVE-2011-4362
Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service (segmentation fault) via crafted base64 input that triggers an out-of-bounds read with a negative index.
EPSS: 0.231 (97.5th percentile) — read the EPSS interpretation.
Affected products
- Lighttpd — versions 1.5.0
- Debian Debian_linux — versions 5.0, 6.0, 7.0
- N/a — versions n/a
References
- secalert@redhat.com (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
- secalert@redhat.com (mailing-list, x_refsource_BUGTRAQ, Broken Link)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Exploit, Patch, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Exploit, Patch, Mailing List, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)