CVE-2022-21126 Creation of Temporary File in Directory with Insecure Permissions
Attackers can exploit insecure temporary file creation to read or modify data, affecting users of the htsjdk Java library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-21126?
CVE-2022-21126 is a high-severity vulnerability in com.github.samtools:htsjdk, published on 29 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The package com.github.samtools:htsjdk before 3.0.1 are vulnerable to Creation of Temporary File in Directory with Insecure Permissions due to the createTempDir() function in util/IOUtil.java not checking for the existence of the temporary directory before attempting to create it.
Weakness: CWE-668
Which versions are affected by CVE-2022-21126?
2 open source packages ship an affected version, including com.github.samtools:htsjdk. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.github.samtools:htsjdk Maven | All versions | 3.0.1 |
com.github.samtools:htsjdk Maven | All versions | 3.0.1 |
Products include Samtools Htsjdk.
How do I fix CVE-2022-21126?
Upgrade com.github.samtools:htsjdk to 3.0.1 or later.
Is CVE-2022-21126 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-21126 exists.
Sources
Also known as GHSA-96vh-4rfp-c42c, UBUNTU-CVE-2022-21126.