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 Software | Affected Version | How to fix |
|---|---|---|
| debian/busybox | <=1:1.30.1-6 | 1:1.35.0-4 1:1.36.1-9 |
| Ubuntu BusyBox Static | >=1.27.0<=1.33.1 | |
| Fedora | =33 | |
| 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 |
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Reference Links
- https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
- https://security.netapp.com/advisory/ntap-20211223-0002/
- https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
- https://launchpad.net/bugs/cve/CVE-2021-42374
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
- https://git.busybox.net/busybox/commit/?id=3989e5adf454a3ab98412b249c2c9bd2a3175ae0
- https://git.busybox.net/busybox/commit/?id=04f052c56ded5ab6a904e3a264a73dc0412b2e78
- https://security-tracker.debian.org/tracker/CVE-2021-42374
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42374
- https://nvd.nist.gov/vuln/detail/CVE-2021-42374
- https://ubuntu.com/security/CVE-2021-42374
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.
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/severity
- agent/weakness
- agent/remedy
- collector/mitre-cve
- source/MITRE
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/description
- agent/last-modified-date
- agent/author
- agent/event
- agent/trending
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-cve
- collector/nvd-index
- package-manager/debian
- vendor/busybox
- canonical/ubuntu busybox static
- version/ubuntu busybox static/1.27.0
- version/ubuntu busybox static/1.33.1
- vendor/fedoraproject
- canonical/fedora
- version/fedora/33
- version/fedora/34
- vendor/netapp
- canonical/netapp cloud backup
- canonical/netapp hci management node
- canonical/netapp solidfire
- canonical/netapp h300s firmware
- canonical/netapp h300s
- canonical/netapp h500s firmware
- canonical/netapp h500s
- canonical/netapp h700s firmware
- canonical/netapp h700s
- canonical/netapp h300e firmware
- canonical/netapp h300e
- canonical/netapp h500e firmware
- canonical/netapp h500e
- canonical/netapp h700e firmware
- canonical/netapp h700e
- canonical/netapp h410s firmware
- canonical/netapp h410s