Gentoo: GLSA-201308-02: D-Bus: Denial of Service
Summary
D-Bus' _dbus_printf_string_upper_bound() function crashes if it returns exactly 1024 bytes.
Resolution
All D-Bus users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/dbus-1.6.12"
References
[ 1 ] CVE-2013-2168 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-2168
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201308-02
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
A vulnerability has been found in D-Bus which allows a local user to cause a Denial of Service.
Background
D-Bus is a message bus system which processes can use to talk to each other.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-apps/dbus < 1.6.12 >= 1.6.12
Impact
===== A local attacker could provide specially-crafted input to an application using D-Bus which would cause _dbus_printf_string_upper_bound() to return 1024 bytes and crash, causing a Denial of Service condition.
Workaround
There is no known workaround at this time.