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CVE-2017-20230

CRITICALCVSS 10/10EPSS 0.64%

Last modified

CVE-2017-20230 is a critical-severity vulnerability rated 10/10 on the CVSS scale. Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.

Metrics

CVSS 3.1
10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
0.64%

46.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NwclarkStorable< 3.05

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2017-20230?
Storable versions before 3.05 for Perl has a stack overflow. The retrieve_hook function stored the length of the class name into a signed integer but in read operations treated the length as unsigned. This allowed an attacker to craft data that could trigger the overflow.
How severe is CVE-2017-20230?
CVE-2017-20230 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.
How do I fix CVE-2017-20230?
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-2017-20230?

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

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Source: NVD / NIST