Description
The POP3 mail client in Mozilla 1.0 and earlier, and Netscape Communicator 4.7 and earlier, allows remote attackers to cause a denial of service (no new mail) via a mail message containing a dot (.) at a newline, which is interpreted as the end of the message.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Netscape 4.x/6.x / Mozilla 0.9.x - Malformed Email POP3 Denial of Service EDB-21539 · dos · Jun 12, 2002 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20020614 Another small DoS on Mozilla <= 1.0 through pop3 mailing-list
- 20020612 Another small DoS on Mozilla <= 1.0 through pop3 mailing-list
- MDKSA-2002:074 vendor-advisory
- http://bugzilla.mozilla.org/show_bug.cgi?id=144228
- 5002 vdb-entry
- http://mozilla.org/releases/mozilla1.0.1/security-fixes-1.0.1.html
- mozilla-netscape-pop3-dos(9343) vdb-entry