// For flags

CVE-2011-4362

lighttpd - Denial of Service (PoC)

Severity Score

5.0
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

7
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Error de signo de entero en la función base64_decode en la funcionalidad de autenticación HTTP (http_auth.c) en lighttpd v1.4 anterior a v1.4.30 y v1.5 antes de la revisión SVN 2806 permite a atacantes remotos provocar una denegación de servicio (fallo de segmentación) a través de una entrada elaborada en base64 provando una lectura "fuera de los límites" (out-of-bounds)con un índice negativo.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2011-11-04 CVE Reserved
  • 2011-12-21 CVE Published
  • 2011-12-31 First Exploit
  • 2023-07-24 EPSS Updated
  • 2024-08-07 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Lighttpd
Search vendor "Lighttpd"
Lighttpd
Search vendor "Lighttpd" for product "Lighttpd"
>= 1.4.1 < 1.4.30
Search vendor "Lighttpd" for product "Lighttpd" and version " >= 1.4.1 < 1.4.30"
-
Affected
Lighttpd
Search vendor "Lighttpd"
Lighttpd
Search vendor "Lighttpd" for product "Lighttpd"
1.5.0
Search vendor "Lighttpd" for product "Lighttpd" and version "1.5.0"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
5.0
Search vendor "Debian" for product "Debian Linux" and version "5.0"
-
Affected
Debian
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Debian Linux
Search vendor "Debian" for product "Debian Linux"
6.0
Search vendor "Debian" for product "Debian Linux" and version "6.0"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
7.0
Search vendor "Debian" for product "Debian Linux" and version "7.0"
-
Affected