Improper Input Validation Affecting varnish package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.22% (61st percentile)

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  • Snyk IDSNYK-DEBIAN11-VARNISH-518612
  • published13 Jan 2010
  • disclosed13 Jan 2010

Introduced: 13 Jan 2010

CVE-2009-4488  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

There is no fixed version for Debian:11 varnish.

NVD Description

Note: Versions mentioned in the description apply only to the upstream varnish package and not the varnish package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

Varnish 2.0.6 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator. NOTE: the vendor disputes the significance of this report, stating that "This is not a security problem in Varnish or any other piece of software which writes a logfile. The real problem is the mistaken belief that you can cat(1) a random logfile to your terminal safely.

CVSS Scores

version 3.1