CVE-2001-0026

rp-pppoe - Denial of Service via Clamp MSS Option

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2001-0026. PoCs published by dethy.

AI-analyzed exploit summary This Perl script exploits a denial-of-service vulnerability in Roaring Penguin Software's PPPoE client by sending malformed TCP packets with a zero-length option, causing an infinite loop and terminating the PPP connection. It uses the Net::RawIP module to craft and send the packets.

Description

rp-pppoe PPPoE client allows remote attackers to cause a denial of service via the Clamp MSS option and a TCP packet with a zero-length TCP option.

Exploits (1)

exploitdb WORKING POC VERIFIED
by dethy · perldoslinux
https://www.exploit-db.com/exploits/20494

This Perl script exploits a denial-of-service vulnerability in Roaring Penguin Software's PPPoE client by sending malformed TCP packets with a zero-length option, causing an infinite loop and terminating the PPP connection. It uses the Net::RawIP module to craft and send the packets.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Roaring Penguin Software's PPPoE client (RedHat 7.0)
No auth needed
Prerequisites: Network access to the target · Perl with Net::RawIP module
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Vendor Advisory vendor-advisory x_refsource_conectiva
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000357
Various Sources vendor-advisory x_refsource_mandrake
http://www.linux-mandrake.com/en/security/MDKSA-2000-084.php3
Exploit, Patch, Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2000-130.html
Patch, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2000-12/0134.html
Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/2098
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/5727

Scores

EPSS 0.0844
EPSS Percentile 94.3%

Details

Status published
Products (5)
roaring_penguin/pppoe 2.0
roaring_penguin/pppoe 2.1
roaring_penguin/pppoe 2.2
roaring_penguin/pppoe 2.3
roaring_penguin/pppoe 2.4
Published Feb 12, 2001
Tracked Since Feb 18, 2026