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CVE-2019-11072 Detail

Disputed     

Current Description

lighttpd before 1.4.54 has a signed integer overflow, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a malicious HTTP GET request, as demonstrated by mishandling of /%2F? in burl_normalize_2F_to_slash_fix in burl.c. NOTE: The developer states "The feature which can be abused to cause the crash is a new feature in lighttpd 1.4.50, and is not enabled by default. It must be explicitly configured in the config file (e.g. lighttpd.conf). Certain input will trigger an abort() in lighttpd when that feature is enabled. lighttpd detects the underflow or realloc() will fail (in both 32-bit and 64-bit executables), also detected in lighttpd. Either triggers an explicit abort() by lighttpd. This is not exploitable beyond triggering the explicit abort() with subsequent application exit.


View Analysis Description

Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/107907 Third Party Advisory  VDB Entry 
http://www.securityfocus.com/bid/107907 Third Party Advisory  VDB Entry 
https://github.com/lighttpd/lighttpd1.4/commit/32120d5b8b3203fc21ccb9eafb0eaf824bb59354 Patch  Third Party Advisory 
https://github.com/lighttpd/lighttpd1.4/commit/32120d5b8b3203fc21ccb9eafb0eaf824bb59354 Patch  Third Party Advisory 
https://redmine.lighttpd.net/issues/2945 Exploit  Patch  Third Party Advisory 
https://redmine.lighttpd.net/issues/2945 Exploit  Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-190 Integer Overflow or Wraparound cwe source acceptance level NIST  

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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-11072
NVD Published Date:
04/10/2019
NVD Last Modified:
11/20/2024
Source:
MITRE