CVE-2016-6302

High

Description

The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.

SeverityHigh
CVSS7.5
Exploit probability—
ProductOpenssl
PublishedSep 16, 2016
First seenSep 16, 2016

How to fix

Affected products

ProductAffected versionsFixed in
openssl openssl1.0.1, 1.0.1a, 1.0.1b, 1.0.1c, 1.0.1d, 1.0.1e, 1.0.1f, 1.0.1g, 1.0.1h, 1.0.1i, 1.0.1j, 1.0.1k, 1.0.1l, 1.0.1m, 1.0.1n, 1.0.1o, 1.0.1p, 1.0.1q, 1.0.1r, 1.0.1s, 1.0.1t, 1.0.2, 1.0.2a, 1.0.2b, 1.0.2c, 1.0.2d, 1.0.2e, 1.0.2f, 1.0.2g, 1.0.2h—
oracle linux6, 7—
oracle solaris10, 11.3—

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CVE-2016-6302 · Openssl · Dark Radar