Gentoo: GLSA-201701-11: musl: Integer overflow
Summary
A vulnerability was discovered in musl's tre_tnfa_run_parallel function buffer overflow logic, due to the incorrect use of integer types and missing overflow checks.
Resolution
All musl users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-libs/musl-1.1.15-r2"
References
[ 1 ] CVE-2016-8859 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-8859
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201701-11
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
An integer overflow in musl might allow an attacker to execute arbitrary code.
Background
musl is a "libc", an implementation of the standard library functionality described in the ISO C and POSIX standards, plus common extensions, intended for use on Linux-based systems.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-libs/musl < 1.1.15-r2 >= 1.1.15-r2
Impact
===== An attacker, who controls the regular expression and/or string being searched, could execute arbitrary code with the privileges of the process.
Workaround
There is no known workaround at this time.