CVE-2021-42377
CVE-2021-42377
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.
CVSS 9.8 · Critique · EPSS 3,6% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
busybox
- Versions du logiciel
- ≥ unspecified, < 1.34.0: Concernée (custom)
Mettez à jour vers 1.34.0
busybox Debian:12
- Plages de versions concernées
- ECOSYSTEM: < 1:1.35.0-1
Mettez à jour vers 1:1.35.0-1
busybox Debian:13
- Plages de versions concernées
- ECOSYSTEM: < 1:1.35.0-1
Mettez à jour vers 1:1.35.0-1
busybox Debian:14
- Plages de versions concernées
- ECOSYSTEM: < 1:1.35.0-1
Mettez à jour vers 1:1.35.0-1
Sources originales
- https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.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://nvd.nist.gov/vuln/detail/CVE-2021-42377