CVE-2023-5388

Description

NSS was susceptible to a timing side-channel attack when performing RSA decryption. This attack could potentially allow an attacker to recover the private data. This vulnerability affects Firefox < 124, Firefox ESR < 115.9, and Thunderbird < 115.9.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.16%

Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org

Affected: Mozilla Firefox

Affected: Mozilla Firefox ESR

Affected: Mozilla Thunderbird

References

Link	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1780432	vendor advisory issue tracking
https://www.mozilla.org/security/advisories/mfsa2024-12/	vendor advisory
https://www.mozilla.org/security/advisories/mfsa2024-13/	vendor advisory
https://www.mozilla.org/security/advisories/mfsa2024-14/	vendor advisory
https://lists.debian.org/debian-lts-announce/2024/03/msg00022.html	mailing list
https://lists.debian.org/debian-lts-announce/2024/03/msg00028.html	mailing list

Frequently Asked Questions

What is the severity of CVE-2023-5388?: CVE-2023-5388 has been scored as a medium severity vulnerability.
How to fix CVE-2023-5388?: To fix CVE-2023-5388, 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-2023-5388 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-5388 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.
What software or system is affected by CVE-2023-5388?: CVE-2023-5388 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.

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