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Gentoo Linux Security Advisory GLSA 201711-09 |
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https://security.gentoo.org/ |
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Severity: Normal |
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Title: LXC: Remote security bypass |
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Date: November 11, 2017 |
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Bugs: #636386 |
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ID: 201711-09 |
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Synopsis |
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======== |
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A vulnerability in LXC may lead to an unauthorized security bypass. |
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Background |
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========== |
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LinuX Containers userspace utilities |
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Affected packages |
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================= |
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 app-emulation/lxc < 2.0.7 >= 2.0.7 |
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Description |
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=========== |
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Previous versions of lxc-attach ran a shell or the specified command |
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without allocating a pseudo terminal making it vulnerable to input |
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faking via a TIOCSTI ioctl call. |
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Impact |
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====== |
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Remote attackers can escape the container and perform unauthorized |
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modifications. |
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Workaround |
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========== |
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There is no know workaround at this time. |
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Resolution |
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========== |
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All LXC users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-emulation/lxc-2.0.7" |
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References |
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========== |
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[ 1 ] CVE-2016-10124 |
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https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10124 |
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Availability |
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============ |
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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https://security.gentoo.org/glsa/201711-09 |
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Concerns? |
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========= |
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users' machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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https://bugs.gentoo.org. |
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License |
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======= |
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