POLICY-OTHER --
POLICY-OTHER Potentially suspicious fragmented IP in IP packet
This rule looks for a crafted IP-in-IP packet that is fragmented, has the More-Fragments bit set, and has an unusually small payload data size.
This rule looks for a crafted packet designed to trigger a buffer overflow in a Treck network stack.
No public information
No known false positives
Cisco Talos Intelligence Group
No rule groups
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-2020-11896 |
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Tactic: Initial Access
Technique: Drive-by Compromise
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org
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