CVE-2018-8741

HIGH 8.8CVE-2018-8741 · Published 17/03/2018 · updated 17/06/2026

In short

CVE-2018-8741 is a HIGH (CVSS 8.8) vulnerability affecting squirrelmail (squirrelmail).
Chance of exploitation in the next 30 days (EPSS): 4.2%, higher than 91.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
squirrelmail squirrelmail	`= 1.4.22`	No fix yet

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.

References

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

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