SLMail VRFY and EXPN Buffer Overflow Vulnerabilities

BID:223

Info

SLMail VRFY and EXPN Buffer Overflow Vulnerabilities

Bugtraq ID: 223
Class: Boundary Condition Error
CVE:
Remote: Yes
Local: Unknown
Published: Feb 04 1999 12:00AM
Updated: Feb 04 1999 12:00AM
Credit: This vulnerability was posted to NTBugtraq by Marc <[email protected]>.
Vulnerable: Seattle Lab Software SLMail 3.0.2421
- Microsoft Windows NT 4.0
Not Vulnerable:

Discussion

SLMail VRFY and EXPN Buffer Overflow Vulnerabilities

The POP service of SLMail runs on tcp port 27. Issuing a 'vrfy' or 'expn' command followed by 2041 characters will cause the SLMail service to stop functioning. It is not known what other character lengths will cause this service to crash.

Exploit / POC

SLMail VRFY and EXPN Buffer Overflow Vulnerabilities

see discussion

Solution / Fix

SLMail VRFY and EXPN Buffer Overflow Vulnerabilities

Solution:
Contact Seattle Labs (www.seattlelab.com) for a patch.

References

SLMail VRFY and EXPN Buffer Overflow Vulnerabilities

References:

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