CVE-2023-5388
MEDIUMCVSS 6.5/10EPSS 0.82%
Last modified
CVE-2023-5388 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.82% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 115.9.0 |
| Mozilla | Firefox | < 124.0 |
| Mozilla | Thunderbird | < 115.9.0 |
| Debian | Debian Linux | 10.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1780432Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00028.htmlMailing List, Third Party Advisory
- 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://bugzilla.mozilla.org/show_bug.cgi?id=1780432Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/03/msg00028.htmlMailing List, Third Party Advisory
- 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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-5388?
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.
How severe is CVE-2023-5388?
CVE-2023-5388 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.
How do I fix CVE-2023-5388?
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
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-5388?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
