A vulnerability classified as critical has been found in GNOME Nautilus up to 3.32.0. This affects some unknown processing of the component Sandbox. The manipulation with an unknown input leads to a 7pk security vulnerability. CWE is classifying the issue as CWE-254. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in GNOME Nautilus 3.30 prior to 3.30.6 and 3.32 prior to 3.32.1. A compromised thumbnailer may escape the bubblewrap sandbox used to confine thumbnailers by using the TIOCSTI ioctl to push characters into the input buffer of the thumbnailer's controlling terminal, allowing an attacker to escape the sandbox if the thumbnailer has a controlling terminal. This is due to improper filtering of the TIOCSTI ioctl on 64-bit systems, similar to CVE-2019-10063.

The bug was discovered 04/13/2019. The weakness was published 04/22/2019 (Website). The advisory is shared at security.gentoo.org. This vulnerability is uniquely identified as CVE-2019-11461 since 04/22/2019. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1211 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.30.6 or 3.32.1 eliminates this vulnerability.

Productinfo

Vendor

• GNOME

Name

• Nautilus

Version

• 3.30.0
• 3.30.1
• 3.30.2
• 3.30.3
• 3.30.4
• 3.30.5
• 3.32.0

License

• open-source

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CPE 2.2info

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