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Gentoo Linux Security Advisory GLSA 201801-10 |
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https://security.gentoo.org/ |
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Severity: Normal |
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Title: LibXfont, LibXfont2: Arbitrary file access |
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Date: January 08, 2018 |
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Bugs: #639064 |
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ID: 201801-10 |
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Synopsis |
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======== |
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|
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A vulnerability has been found in LibXfont and LibXfont2 which may |
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allow for arbitrary file access. |
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Background |
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========== |
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|
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X.Org Xfont library. |
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 x11-libs/libXfont < 1.5.4 >= 1.5.4 |
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2 x11-libs/libXfont2 < 2.0.3 >= 2.0.3 |
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------------------------------------------------------------------- |
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2 affected packages |
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Description |
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=========== |
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It was discovered that libXfont incorrectly followed symlinks when |
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opening font files. |
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Impact |
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====== |
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A local unprivileged user could use this flaw to cause the X server to |
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access arbitrary files, including special device files. |
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All LibXfont users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.5.4" |
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All LibXfont2 users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=x11-libs/libXfont2-2.0.3" |
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References |
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========== |
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[ 1 ] CVE-2017-16611 |
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https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-16611 |
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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/201801-10 |
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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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Copyright 2018 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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http://creativecommons.org/licenses/by-sa/2.5 |
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