CVE-2020-27743 Weak cryptography in n/a
Failure to check random number generation in libtac allows predictable session IDs, potentially enabling authentication bypass.
- 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-2020-27743?
CVE-2020-27743 is a critical vulnerability in n/a, published on 26 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
libtac in pam_tacplus through 1.5.1 lacks a check for a failure of RAND_bytes()/RAND_pseudo_bytes(). This could lead to use of a non-random/predictable session_id.
Weakness: CWE-330
Which versions are affected by CVE-2020-27743?
It affects 1 product.
Products include Pam Tacplus Project Pam Tacplus.
How do I fix CVE-2020-27743?
No fix has been published for CVE-2020-27743 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-27743 being exploited?
There is no known exploitation of CVE-2020-27743 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as UBUNTU-CVE-2020-27743.