CVE-2015-1791 Race condition in n/a

What is CVE-2015-1791?

CVE-2015-1791 is a medium-severity vulnerability in Openssl Openssl, published on 12 Jun 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Race condition in the ssl3_get_new_session_ticket function in ssl/s3_clnt.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b, when used for a multi-threaded client, allows remote attackers to cause a denial of service (double free and application crash) or possibly have unspecified other impact by providing a NewSessionTicket during an attempt to reuse a ticket that had been obtained earlier.

Weakness: CWE-362

Which versions are affected by CVE-2015-1791?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2015-1791?

Upgrade to a fixed version.

Is CVE-2015-1791 being exploited?

There is no known exploitation of CVE-2015-1791 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Openssl Openssl

• CVE-2009-3245 Null dereference in n/a Critical 10.0
• CVE-2006-3738 Memory corruption in n/a Critical 10.0
• CVE-2026-63073 Untrusted Sender DN Used as Format String in CMP Response Validation Critical 9.8
• CVE-2016-6309 Use after free in n/a Critical 9.8
• CVE-2016-0799 Integer overflow in n/a Critical 9.8

All Openssl Openssl vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2015-1791, GHSA-f894-wgvp-qh5g, UBUNTU-CVE-2015-1791.