CVE-2016-7037 Security feature bypass in n/a
Attackers can spoof JWT signatures via timing attacks due to non-constant-time hash comparison in the verification function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-7037?
CVE-2016-7037 is a high-severity vulnerability in n/a, published on 23 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The verify function in Encryption/Symmetric.php in Malcolm Fell jwt before 1.0.3 does not use a timing-safe function for hash comparison, which allows attackers to spoof signatures via a timing attack.
Weakness: CWE-361
Which versions are affected by CVE-2016-7037?
It affects 1 product.
Products include Emarref Jwt.
How do I fix CVE-2016-7037?
No fix has been published for CVE-2016-7037 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-7037 being exploited?
There is no known exploitation of CVE-2016-7037 in the wild and no public exploit code.
Sources
Also known as GHSA-jqgc-w3wf-c38r.