medium
5.3
CWE
125
Advisory Published
Updated

CVE-2021-42374

First published: Mon Nov 15 2021(Updated: )

An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that

Credit: reefs@jfrog.com reefs@jfrog.com reefs@jfrog.com

Affected SoftwareAffected VersionHow to fix
Busybox Busybox>=1.27.0<=1.33.1
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Netapp Cloud Backup
Netapp Hci Management Node
Netapp Solidfire
All of
Netapp H300s Firmware
Netapp H300s
All of
Netapp H500s Firmware
Netapp H500s
All of
Netapp H700s Firmware
Netapp H700s
All of
Netapp H300e Firmware
Netapp H300e
All of
Netapp H500e Firmware
Netapp H500e
All of
Netapp H700e Firmware
Netapp H700e
All of
Netapp H410s Firmware
Netapp H410s
Netapp H300s Firmware
Netapp H300s
Netapp H500s Firmware
Netapp H500s
Netapp H700s Firmware
Netapp H700s
Netapp H300e Firmware
Netapp H300e
Netapp H500e Firmware
Netapp H500e
Netapp H700e Firmware
Netapp H700e
Netapp H410s Firmware
Netapp H410s
debian/busybox<=1:1.30.1-6
1:1.35.0-4
1:1.36.1-9
>=1.27.0<=1.33.1
=33
=34
All of
All of
All of
All of
All of
All of
All of

Remedy

https://git.busybox.net/busybox/commit/?id=04f052c56ded5ab6a904e3a264a73dc0412b2e78

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2021-42374.

  • What is the title of the vulnerability?

    The title of the vulnerability is 'An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service.'

  • What software is affected by the vulnerability?

    The Busybox package versions 1:1.27.2-2ubuntu3.4, 1:1.30.1-4ubuntu6.4, 1:1.30.1-6ubuntu2.1, 1:1.30.1-6ubuntu3.1, 1:1.30.1-7ubuntu2, 1.34.0, and 1:1.35.0-4, 1:1.36.1-3.1 are affected.

  • How can the vulnerability be triggered?

    The vulnerability can be triggered by using any applet/format that decompresses crafted LZMA-compressed input.

  • What is the severity level of the vulnerability?

    The severity level of the vulnerability has not been specified.

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