Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2009-4488 — Improper Input Validation in Varnish

CWE-20 — Improper Input ValidationCWE-1284 — Improper Validation of Specified Quantity in Input7 documents7 sources
Severity
9.8CRITICALNVD
EPSS
2.6%
top 14.28%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
1
Varnish.projects.linpro Varnish
Timeline
PublishedJan 13
Latest updateMay 2

Description

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…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

🔴Vulnerability Details

3
GHSA
GHSA-xm68-4v8h-h9rf: ** DISPUTED ** Varnish 2↗2022-05-02
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OSV
CVE-2009-4488: Varnish 2↗2010-01-13
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CVEList
CVE-2009-4488: Varnish 2↗2010-01-13
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💥Exploits & PoCs

1
Exploit-DB
Varnish 2.0.6 - 'Terminal Escape Sequence in Logs' Command Injection↗2010-01-11
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📋Vendor Advisories

1
Debian
CVE-2009-4488: varnish - Varnish 2.0.6 writes data to a log file without sanitizing non-printable charact...↗2009
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🕵️Threat Intelligence

1
Greynoiseio
Malicious Tag Roundup (October 2021)↗
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CVE-2009-4488 — Improper Input Validation in Varnish | cvebase