curl: CVE-2021-22876

Related Vulnerabilities: CVE-2021-22876  

Debian Bug report logs - #986269
curl: CVE-2021-22876

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Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Fri, 2 Apr 2021 07:24:02 UTC

Severity: serious

Tags: security, upstream

Found in versions curl/7.74.0-1.1, curl/7.64.0-4

Fixed in version curl/7.64.0-4+deb10u2

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, Alessandro Ghedini <ghedo@debian.org>:
Bug#986269; Package src:curl. (Fri, 02 Apr 2021 07:24:03 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, Alessandro Ghedini <ghedo@debian.org>. (Fri, 02 Apr 2021 07:24:03 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: curl: CVE-2021-22876
Date: Fri, 02 Apr 2021 09:21:23 +0200
Source: curl
Version: 7.74.0-1.1
Severity: serious
Tags: security upstream
Justification: security regression from stable
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>
Control: found -1 7.64.0-4
Control: fixed -1 7.64.0-4+deb10u2

Hi,

The following vulnerability was published for curl, filling it as RC
so it appears on the radar for issues to be fixed before bullseye
release.

CVE-2021-22876[0]:
| curl 7.1.1 to and including 7.75.0 is vulnerable to an "Exposure of
| Private Personal Information to an Unauthorized Actor" by leaking
| credentials in the HTTP Referer: header. libcurl does not strip off
| user credentials from the URL when automatically populating the
| Referer: HTTP request header field in outgoing HTTP requests, and
| therefore risks leaking sensitive data to the server that is the
| target of the second HTTP request.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-22876
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22876
[1] https://curl.se/docs/CVE-2021-22876.html

Salvatore



Marked as found in versions curl/7.64.0-4. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Fri, 02 Apr 2021 07:24:04 GMT) (full text, mbox, link).


Marked as fixed in versions curl/7.64.0-4+deb10u2. Request was from Salvatore Bonaccorso <carnil@debian.org> to submit@bugs.debian.org. (Fri, 02 Apr 2021 07:24:04 GMT) (full text, mbox, link).


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