What’s Vulnerable › Vulnerabilities

CVE-2018-8741

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-03-17 · updated 2026-06-17
• Weakness: CWE-22

Description

A directory traversal flaw in SquirrelMail 1.4.22 allows an authenticated attacker to exfiltrate (or potentially delete) files from the hosting server, related to ../ in the att_local_name field in Deliver.class.php.

Affected products

• Debian Linux: 7.0, 8.0
• SquirrelMail: 1.4.22

References

• http://www.openwall.com/lists/oss-security/2018/03/17/2
• http://www.securitytracker.com/id/1040554
• https://gist.github.com/hannob/3c4f86863c418930ad08853c1109364e
• https://insinuator.net/2018/03/squirrelmail-full-disclosure-troopers18/
• https://lists.debian.org/debian-lts-announce/2018/04/msg00012.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVXTYMZ35IC5KPNMAE6BWAQWURMX7KZO/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T5FP5O562A4FM5TCFNEW73SS6PZONSAC/
• https://paste.pound-python.org/show/OjSLiFTxiBrTk63jqEUu/
• https://www.debian.org/security/2018/dsa-4168
• http://www.openwall.com/lists/oss-security/2018/03/17/2
• http://www.securitytracker.com/id/1040554
• https://gist.github.com/hannob/3c4f86863c418930ad08853c1109364e

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