Bug 1893725 (CVE-2020-25691)

Summary: CVE-2020-25691 darkhttpd: sending an HTTP GET to a file with large modification date can cause a DoS
Product: [Other] Security Response Reporter: Marian Rehak <mrehak>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: mail, rosset.filipe, security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in darkhttpd. Invalid error handling allows remote attackers to cause denial-of-service by accessing a file with a large modification date. The highest threat from this vulnerability is to system availability.
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-07-21 15:54:40 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1984389, 1984391    
Bug Blocks: 1984827    

Description Marian Rehak 2020-11-02 13:13:34 UTC
Invalid error handling in function rfc1123_date in darkhttpd.c in darhttpd allows remote attackers to cause denial-of-service by accessing a file with large modification date

Comment 1 Marian Rehak 2021-07-21 11:05:29 UTC
Created darkhttpd tracking bugs for this issue:

Affects: epel-7 [bug 1984391]
Affects: fedora-all [bug 1984389]

Comment 2 Product Security DevOps Team 2021-07-21 15:54:40 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

Comment 3 Product Security DevOps Team 2021-07-21 21:54:42 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.