Title: Qualcomm Qpopper 'EUIDL' Format String Input Vulnerability
Severity: LOW
Description:
A vulnerability exists in version 2.53 and prior of qpopper, a popular POP server, from Qualcomm. By placing machine executable code in the X-UIDL header field, supplying formatting strings in the "From:" field in a mail header, and then issuing, as the user the mail was sent to, a 'euidl' command, it is possible to execute arbitrary code. This code will execute as the user executing the euidl command, but with group 'mail' permissions on hosts running qpopper in that group. This is often done due to mail spool permissions.
This vulnerability does not exist in versions after 2.53. It also requires an account on the machine.
Affected Products:
- Cobalt RaQ 2.0.0
- Cobalt RaQ 3.0.0
- Qualcomm qpopper 2.52.0
- Qualcomm qpopper 2.53.0
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