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Gentoo Linux Security Advisory GLSA 201701-11 |
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https://security.gentoo.org/ |
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Severity: Normal |
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Title: musl: Integer overflow |
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Date: January 02, 2017 |
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Bugs: #597498 |
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ID: 201701-11 |
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Synopsis |
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======== |
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|
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An integer overflow in musl might allow an attacker to execute |
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arbitrary code. |
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Background |
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========== |
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|
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musl is a "libc", an implementation of the standard library |
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functionality described in the ISO C and POSIX standards, plus common |
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extensions, intended for use on Linux-based systems. |
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|
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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 sys-libs/musl < 1.1.15-r2 >= 1.1.15-r2 |
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Description |
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=========== |
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|
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A vulnerability was discovered in musl's tre_tnfa_run_parallel function |
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buffer overflow logic, due to the incorrect use of integer types and |
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missing overflow checks. |
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|
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Impact |
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====== |
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|
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An attacker, who controls the regular expression and/or string being |
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searched, could execute arbitrary code with the privileges of the |
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process. |
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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 musl users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=sys-libs/musl-1.1.15-r2" |
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|
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References |
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========== |
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[ 1 ] CVE-2016-8859 |
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http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8859 |
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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/201701-11 |
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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 2017 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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