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.

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

22.56% chance of exploitation in the next 30 days, 98th percentile

Published

2011-12-24

Updated

2024-08-07

Proof-of-concept exploits (3)

• http://blog.pi3.com.pl/?p=277
• http://www.exploit-db.com/exploits/18295
• http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.html

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/18295

References

• CVE Record
• NVD entry

Related

• CVE-2011-4350
• CVE-2011-4367
• CVE-2011-4342
• CVE-2011-4403
• CVE-2011-4341
• CVE-2011-4404