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CVE-2021-44730 snapd 2.54.2 did not properly validate the location of the snap-confine binary
Description
snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| snapd 2.54 | premières → 2.54.2 | Pas de correctif indiqué |
Références
- ubuntu.com ubuntu.com
- [oss-security] 20220218 CVE-2021-4120: Insufficient validation of snap content interface and layout paths www.openwall.com
- FEDORA-2022-82bea71e5a lists.fedoraproject.org
- FEDORA-2022-5df8b52ba4 lists.fedoraproject.org
- DSA-5080 www.debian.org
- [oss-security] 20220223 Re: CVE-2021-44731: Race condition in snap-confine's setup_private_mount() www.openwall.com
Chronologie
- Publiée
- Dernière modification
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