Improper Handling of Exceptional Conditions Affecting busybox-petitboot package, versions <1:1.19.3-2.12.amzn1
Threat Intelligence
EPSS
0.77% (82nd
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-AMZN201803-BUSYBOXPETITBOOT-1725870
- published 27 Sep 2021
- disclosed 19 Mar 2021
Introduced: 19 Mar 2021
CVE-2021-28831 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2018.03 busybox-petitboot to version 1:1.19.3-2.12.amzn1 or higher.
This issue was patched in ALAS-2021-1496.
NVD Description
Note: Versions mentioned in the description apply only to the upstream busybox-petitboot package and not the busybox-petitboot package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
decompress_gunzip.c in BusyBox through 1.32.1 mishandles the error bit on the huft_build result pointer, with a resultant invalid free or segmentation fault, via malformed gzip data.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28831
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/
- https://security.gentoo.org/glsa/202105-09
- https://git.busybox.net/busybox/commit/?id=f25d254dfd4243698c31a4f3153d4ac72aa9e9bd
- https://lists.debian.org/debian-lts-announce/2021/04/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UDQGJRECXFS5EZVDH2OI45FMO436AC4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7ZIFKPRR32ZYA3WAA2NXFA3QHHOU6FJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZASBW7QRRLY5V2R44MQ4QQM4CZIDHM2U/
CVSS Scores
version 3.1