#1010748 uclibc: CVE-2021-27419 - integer overflow in both malloc and memalign implementations

Package:
src:uclibc
Source:
uclibc
Submitter:
Neil Williams
Date:
2022-05-09 08:18:03 UTC
Severity:
important
Tags:
#1010748#5
Date:
2022-05-09 08:14:58 UTC
From:
To:
Hi,

The following vulnerability was published for uclibc.

CVE-2021-27419[0]:
| uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-
| around in functions malloc-simple. This improper memory assignment can
| lead to arbitrary memory allocation, resulting in unexpected behavior
| such as a crash or a remote code injection/execution.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2021-27419
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27419

Please adjust the affected versions in the BTS as needed.