CVE-2011-4362

Home/CVE/Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttp

CVE

Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttp

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.

MEDIUM · CVSS 5 EPSS 0.04391

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Public exploit or PoC is available

Sigma rules0 YARA rules0

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Affected Products & Versions

lighttpd>= 1.4.1 and < 1.4.30
lighttpdall versions
debian linuxall versions

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Public Exploits & PoCs

doslighttpd - Denial of Service (PoC)verified
pocblog.pi3.com.pl · ?p=277blog.pi3.com.pl
pocdownload.lighttpd.net · lighttpd_sa_2011_01.txtdownload.lighttpd.net
pocredmine.lighttpd.net · 2370redmine.lighttpd.net
pocwww.exploit-db.com · 18295www.exploit-db.com

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Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published to NVD24 Dec 2011 · 07:55 PM

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Vendor Advisories

suse-csafopenSUSE-SU-2024:10402-1

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.htmlBroken Link

http://jvn.jp/en/jp/JVN37417423/index.htmlThird Party Advisory

http://secunia.com/advisories/47260Third Party Advisory

http://www.debian.org/security/2011/dsa-2368Third Party Advisory

http://www.openwall.com/lists/oss-security/2011/11/29/13ExploitMailing ListPatchThird Party Advisory

http://www.openwall.com/lists/oss-security/2011/11/29/8ExploitMailing ListPatchThird Party Advisory

Show all 9 references

http://www.securitytracker.com/id?1026359Third Party AdvisoryVDB Entry

https://bugzilla.redhat.com/show_bug.cgi?id=758624Issue TrackingThird Party Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/71536Third Party AdvisoryVDB Entry

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