ID CVE-2011-4362
Summary 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.
References
Vulnerable Configurations
  • cpe:2.3:a:lighttpd:lighttpd:1.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.4:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.4:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.6:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.6:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.7:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.7:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.8:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.8:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.9:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.9:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.10:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.10:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.11:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.11:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.12:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.12:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.13:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.13:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.14:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.14:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.15:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.15:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.16:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.16:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.17:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.17:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.18:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.18:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.19:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.19:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.20:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.20:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.21:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.21:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.22:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.22:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.23:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.23:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.24:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.24:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.25:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.25:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.26:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.26:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.27:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.27:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.28:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.28:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.4.29:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.4.29:*:*:*:*:*:*:*
  • cpe:2.3:a:lighttpd:lighttpd:1.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:lighttpd:lighttpd:1.5.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
    cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
    cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
    cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
CVSS
Base: 5.0 (as of 04-03-2021 - 20:12)
Impact:
Exploitability:
CWE NVD-CWE-Other
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:N/A:P
refmap via4
bugtraq 20111224 Lighttpd Proof of Concept code for CVE-2011-4362
confirm
debian DSA-2368
exploit-db 18295
misc http://blog.pi3.com.pl/?p=277
mlist
  • [oss-security] 20111129 CVE Request: lighttpd/mod_auth out-of-bounds read due to signedness error
  • [oss-security] 20111129 Re: CVE Request: lighttpd/mod_auth out-of-bounds read due to signedness error
sectrack 1026359
secunia 47260
xf lighttpd-base64-dos(71536)
Last major update 04-03-2021 - 20:12
Published 24-12-2011 - 19:55
Last modified 04-03-2021 - 20:12
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