CVE-2016-0701 Weak cryptography in n/a

What is CVE-2016-0701?

CVE-2016-0701 is a low-severity vulnerability in Openssl Openssl, published on 15 Feb 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The DH_check_pub_key function in crypto/dh/dh_check.c in OpenSSL 1.0.2 before 1.0.2f does not ensure that prime numbers are appropriate for Diffie-Hellman (DH) key exchange, which makes it easier for remote attackers to discover a private DH exponent by making multiple handshakes with a peer that chose an inappropriate number, as demonstrated by a number in an X9.42 file.

Weakness: CWE-200

Which versions are affected by CVE-2016-0701?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2016-0701?

Upgrade to a fixed version.

Is CVE-2016-0701 being exploited?

There is no known exploitation of CVE-2016-0701 in the wild and no public exploit code.

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-2016-0701, GHSA-v9p6-6jhc-fhfp.