Multiple "stack protection" programs fail to protect frame pointers
| stack-protection-frame-pointers (8982) |
Description:
Multiple "stack protection" programs fail to protect frame pointers, which could allow a remote attacker to execute arbitrary code on the system. StackGuard's "terminator canary" hascontrol of the frame pointer's local variables and function arguments and can execute arbitrary code on the system by placing the frame pointer's local variables and function arguments in memory.
Consequences:
Gain Privileges
Remedy:
For StackGuard 2.0.1:
Upgrade to the latest version of StackGuard (3.0 or later), when it becomes available, as listed in CORE SECURITY TECHNOLOGIES Advisory CORE-20020409. See References.
For StackShield 0.7 -beta:
No remedy available as of May 2002.
References:
- Core Security Technologies Advisory CORE-20020409: Multiple vulnerabilities in stack smashing protection technologies.
- BID-4589: Multiple Stack Protection Scheme Saved Base Pointer Overwrite Weakness
Platforms Affected:
- Vendicator StackShield 0.7-beta and prior
- WireX Communications StackGuard 2.0.1
Reported:
Apr 22, 2002
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