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CVE-1999-1111

UnknownEPSS 1.82%

Last modified

CVE-1999-1111 is a vulnerability of currently unknown severity. Vulnerability in StackGuard before 1.21 allows remote attackers to bypass the Random and Terminator Canary security mechanisms by using a non-linear attack which directly modifies a pointer to a return address instead of using a buffer overflow to reach the return address entry itself.. EPSS estimates a 1.82% chance of exploitation in the next 30 days.

Description

Vulnerability in StackGuard before 1.21 allows remote attackers to bypass the Random and Terminator Canary security mechanisms by using a non-linear attack which directly modifies a pointer to a return address instead of using a buffer overflow to reach the return address entry itself.

Metrics

EPSS Probability
1.82%

76.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
ImmunixStackguard<= 1.21

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-1999-1111?
Vulnerability in StackGuard before 1.21 allows remote attackers to bypass the Random and Terminator Canary security mechanisms by using a non-linear attack which directly modifies a pointer to a return address instead of using a buffer overflow to reach the return address entry itself.
How severe is CVE-1999-1111?
Severity scoring for CVE-1999-1111 is pending analysis. The EPSS model estimates a 1.82% probability of exploitation in the next 30 days.
How do I fix CVE-1999-1111?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST