CVE-2017-14737

Description

A cryptographic cache-based side channel in the RSA implementation in Botan before 1.10.17, and 1.11.x and 2.x before 2.3.0, allows a local attacker to recover information about RSA secret keys, as demonstrated by CacheD. This occurs because an array is indexed with bits derived from a secret key.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.05%

Third-Party Advisory github.com Third-Party Advisory debian.org Third-Party Advisory usenix.org

Affected: n/a n/a

References

Link	Tags
https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/wang-shuai	third party advisory
https://github.com/randombit/botan/issues/1222	issue tracking third party advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00006.html	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-14737?: CVE-2017-14737 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14737?: To fix CVE-2017-14737, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-14737 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-14737 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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