CVE-2001-0797
Buffer overflow in login in various System V based operating systems allows remote attackers to execute arbitrary commands via a large number of arguments through services such as telnet and rlogin.
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Description
Buffer overflow in login in various System V based operating systems allows remote attackers to execute arbitrary commands via a large number of arguments through services such as telnet and rlogin.
Affected Products
hp-uxhpaixibmopenserverscoirixsgisolarissunsunossunResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Solaris 2.5.1/2.6/7/8 rlogin (SPARC) - '/bin/login' Remote Buffer Overflow
by Marco Ivaldi · Dec 24, 2004
Solaris TelnetD - 'TTYPROMPT' Remote Buffer Overflow (1) (Metasploit)
by MC · Jan 18, 2002
System V Derived /bin/login - Extraneous Arguments Buffer Overflow (Metasploit)
by Metasploit · Jul 3, 2010
Solaris TelnetD - 'TTYPROMPT' Remote Buffer Overflow (2) (Metasploit)
by Metasploit · Jun 22, 2010
Solaris 2.x/7.0/8 - Derived 'login' Remote Buffer Overflow
by snooq · Jan 9, 2003
Solaris 2.6/7/8 - 'TTYPROMPT in.telnet' Remote Authentication Bypass
by Jonathan S. · Nov 2, 2002
System V Derived /bin/login - Extraneous Arguments Buffer Overflow (modem based) (Metasploit)
by I)ruid · Dec 12, 2001
Solaris /bin/login (SPARC/x86) - Remote Code Execution
by Teso · Dec 20, 2001
Detection & mitigation playbook
Vendor / applianceDetect
Inventory every hp hp-ux deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for remote code execution at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.
Remediation status
No patch has shipped for CVE-2001-0797 yet — track the hp hp-ux advisory for a fixed release and apply the workarounds below in the meantime.
Mitigate without a patch
Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.
How O3 protects you
O3 detects and blocks CVE-2001-0797 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.
Tailored to CVE-2001-0797. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2001-0797 being exploited in your environment?
O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2001-0797 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.