Bug 1880349 (CVE-2020-25219) - CVE-2020-25219 libproxy: uncontrolled recursion via an infinite stream response leading to stack exhaustion
Summary: CVE-2020-25219 libproxy: uncontrolled recursion via an infinite stream respon...
Keywords:
Status: NEW
Alias: CVE-2020-25219
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
: 1883568 (view as bug list)
Depends On: 1880350 1884638 1885157 1885158
Blocks: 1869641
TreeView+ depends on / blocked
 
Reported: 2020-09-18 10:38 UTC by Marian Rehak
Modified: 2023-07-07 08:30 UTC (History)
7 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in libproxy in versions 0.4 through 0.4.15. A remote HTTP server can trigger an uncontrolled recursion via a response composed of an infinite stream that lacks a newline character leading to a stack exhaustion. The highest threat from this vulnerability is to system availability.
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Description Marian Rehak 2020-09-18 10:38:30 UTC 
url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.

Upstream Reference:

https://github.com/libproxy/libproxy/issues/134
Comment 1 Marian Rehak 2020-09-18 10:38:57 UTC 
Created libproxy tracking bugs for this issue:

Affects: fedora-all [bug 1880350]
Comment 2 Stefan Cornelius 2020-09-29 15:33:38 UTC 
*** Bug 1883568 has been marked as a duplicate of this bug. ***
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