CVE-2017-7822

EPSS 1.4%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Jun 2018Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

The AES-GCM implementation in WebCrypto API accepts 0-length IV when it should require a length of 1 according to the NIST Special Publication 800-38D specification. This might allow for the authentication key to be determined in some instances. This vulnerability affects Firefox < 56.

Affected products

Mozilla · Firefox

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1368859 https://www.mozilla.org/security/advisories/mfsa2017-21/http://www.securityfocus.com/bid/101057 http://www.securitytracker.com/id/1039465