Arch Linux Security Advisory ASA-201503-26
=========================================
Severity: Critical
Date    : 2015-03-31
CVE-ID  : CVE-2015-1817
Package : musl
Type    : arbitrary code execution
Remote  : No
Link    : https://wiki.archlinux.org/title/CVE

Summary
======
The package musl before version 1.1.8-1 is vulnerable to arbitrary code
execution.

Resolution
=========
Upgrade to 1.1.8-1.

# pacman -Syu "musl>=1.1.8-1"

The problem has been fixed upstream in version 1.1.8.

Workaround
=========
None.

Description
==========
A stack-based buffer overflow has been found in musl libc's ipv6 address
literal parsing code. Programs which call the inet_pton or getaddrinfo
function with AF_INET6 or AF_UNSPEC and untrusted address strings are
affected. Successful exploitation yields control of the return address.
Having enabled stack protector at the application level does not
mitigate the issue.

Impact
=====
An attacker can execute arbitrary code by submitting a carefully crafted
IPv6 address to a program linked with musl calling inet_pton() or
getaddrinfo() with AF_INET6 or AF_UNSPEC.

References
=========
https://www.openwall.com/lists/musl/2015/03/30/1
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-1817

ArchLinux: 201503-26: musl: arbitrary code execution

March 31, 2015

Summary

A stack-based buffer overflow has been found in musl libc's ipv6 address literal parsing code. Programs which call the inet_pton or getaddrinfo function with AF_INET6 or AF_UNSPEC and untrusted address strings are affected. Successful exploitation yields control of the return address. Having enabled stack protector at the application level does not mitigate the issue.

Resolution

Upgrade to 1.1.8-1. # pacman -Syu "musl>=1.1.8-1"
The problem has been fixed upstream in version 1.1.8.

References

https://www.openwall.com/lists/musl/2015/03/30/1 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-1817


Severity
Package : musl
Type : arbitrary code execution
Remote : No
Link : https://wiki.archlinux.org/title/CVE

Workaround

None.

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