CVE-2017-12963

UnknownEPSS 1.23%

Last modified

CVE-2017-12963 is a vulnerability of currently unknown severity. There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

Description

There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).

Metrics

EPSS Probability
1.23%

65.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LibsassLibsass3.4.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-12963?
There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).
How severe is CVE-2017-12963?
Severity scoring for CVE-2017-12963 is pending analysis. The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.
How do I fix CVE-2017-12963?
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.

Are you affected by CVE-2017-12963?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST