Rule Document 1:1866

Rule Category

PROTOCOL-POP -- Snort has detected traffic that may indicate the presence of the pop protocol or vulnerabilities in the pop protocol on the network.

Alert Message

PROTOCOL-POP USER overflow attempt

Rule Explanation

This rule looks for overly long USER commands in POP messages.

What To Look For

This rule fires on attempts to exploit buffer overflow vulnerabilities in POP servers.

Known Usage

No public information

False Positives

Known false positives, with the described conditions

This rule fires on USER commands larger than 50 bytes in POP messages.

Contributors

Cisco Talos Intelligence Group

Rule Groups

Vulnerability::Severity::Medium

Vulnerability::Severity::Critical

Vulnerability::Severity::High

MITRE::ATT&CK Framework::Enterprise::Privilege Escalation::Exploitation for Privilege Escalation

Privilege escalation includes techniques that allow an attacker to obtain a higher level of permissions on the mobile device. Attackers may enter the mobile device with very limited privileges and may be required to take advantage of a device weakness to obtain higher privileges necessary to successfully carry out their mission objectives.

CVE

CVE-2006-2502 CVE-2006-4364 CVE-1999-0494 CVE-2002-1781 CVE-2007-4646

Additional Links

www.delegate.org/mail-lists/delegate-en/1475

Rule Vulnerability

Buffer Overflow

Buffer Overflows occur when a memory location is filled past its expected boundaries. Computer attackers target systems without proper terminating conditions on buffers, which then write the additional information in other locations in memory, overwriting what is there. This could corrupt the data, making the system behave erratically or crash. The new information could include malicious executable code, which might be executed.

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.

CVE-2006-2502

Loading description

CVE-2006-4364

Loading description

CVE-1999-0494

Loading description

CVE-2002-1781

Loading description

CVE-2007-4646

Loading description