CVE-2020-12399

EPSS 0.7%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

09 Jul 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1631576 https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html https://security.gentoo.org/glsa/202007-49 https://usn.ubuntu.com/4421-1/https://www.debian.org/security/2020/dsa-4726 https://www.mozilla.org/security/advisories/mfsa2020-20/https://www.mozilla.org/security/advisories/mfsa2020-21/https://www.mozilla.org/security/advisories/mfsa2020-22/