varnish: CVE-2019-20637

Debian Bug report logs - #956305
varnish: CVE-2019-20637

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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: varnish: CVE-2019-20637

Date: Thu, 09 Apr 2020 16:57:20 +0200

Source: varnish
Version: 6.2.1-3
Severity: important
Tags: security upstream
Control: found -1 6.1.1-1+deb10u1
Control: found -1 6.1.1-1
Control: found -1 5.0.0-7+deb9u2
Control: found -1 5.0.0-7

Hi,

The following vulnerability was published for varnish.

CVE-2019-20637[0]:
| An issue was discovered in Varnish Cache before 6.0.5 LTS, 6.1.x and
| 6.2.x before 6.2.2, and 6.3.x before 6.3.1. It does not clear a
| pointer between the handling of one client request and the next
| request within the same connection. This sometimes causes information
| to be disclosed from the connection workspace, such as data structures
| associated with previous requests within this connection or VCL-
| related temporary headers.


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-2019-20637
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20637
[1] http://varnish-cache.org/security/VSV00004.html#vsv00004

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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