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Vulnerability record · CVE-2008-3323 · published 28 July 2008

CVE-2008-3323: Redhat cygwin improper input validation vulnerability

Redhat · Cygwin

setup.exe before 2.573.2.3 in Cygwin does not properly verify the authenticity of packages, which allows remote Cygwin mirror servers or man-in-the-middle attackers to execute arbitrary code via a package list containing the MD5 checksum of a Trojan horse package.

7.6 CVSS 2.0 High EPSS 2.6% · top 15.0% CWE-20 · Improper input validation
7.6CVSS 2.0 base score
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

setup.exe before 2.573.2.3 in Cygwin does not properly verify the authenticity of packages, which allows remote Cygwin mirror servers or man-in-the-middle attackers to execute arbitrary code via a package list containing the MD5 checksum of a Trojan horse package.

AV:N/AC:H/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://cygwin.com/ml/cygwin-announce/2008-08/msg00001.html
http://secunia.com/advisories/31271
http://securityreason.com/securityalert/4051
http://www.security-objectives.com/advisories/SECOBJADV-2008-02.txt
http://www.securityfocus.com/archive/1/494756/100/0/threaded
http://www.securityfocus.com/bid/30375
http://www.vupen.com/english/advisories/2008/2321
https://bugzilla.redhat.com/show_bug.cgi?id=449929
https://exchange.xforce.ibmcloud.com/vulnerabilities/44047
http://cygwin.com/ml/cygwin-announce/2008-08/msg00001.html
http://secunia.com/advisories/31271
http://securityreason.com/securityalert/4051
http://www.security-objectives.com/advisories/SECOBJADV-2008-02.txt
http://www.securityfocus.com/archive/1/494756/100/0/threaded
http://www.securityfocus.com/bid/30375
http://www.vupen.com/english/advisories/2008/2321
https://bugzilla.redhat.com/show_bug.cgi?id=449929
https://exchange.xforce.ibmcloud.com/vulnerabilities/44047

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-3323), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.