SB2013110204 - Multiple vulnerabilities in libvirt
Published: November 2, 2013 Updated: August 10, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2013-4400)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
virt-login-shell in libvirt 1.1.2 through 1.1.3 allows local users to overwrite arbitrary files and possibly gain privileges via unspecified environment variables or command-line arguments.
2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2013-4401)
The vulnerability allows a remote #AU# to execute arbitrary code.
The virConnectDomainXMLToNative API function in libvirt 1.1.0 through 1.1.3 checks for the connect:read permission instead of the connect:write permission, which allows attackers to gain domain:write privileges and execute Qemu binaries via crafted XML. NOTE: some of these details are obtained from third party information.
Remediation
Install update from vendor's website.
References
- http://libvirt.org/git/?p=libvirt.git;a=commit;h=3e2f27e13b94f7302ad948bcacb5e02c859a25fc
- http://libvirt.org/git/?p=libvirt.git;a=commit;h=8c3586ea755c40d5e01b22cb7b5c1e668cdec994
- http://libvirt.org/git/?p=libvirt.git;a=commit;h=b7fcc799ad5d8f3e55b89b94e599903e3c092467
- http://lists.fedoraproject.org/pipermail/package-announce/2013-November/121370.html
- http://secunia.com/advisories/60895
- http://security.gentoo.org/glsa/glsa-201412-04.xml
- http://wiki.libvirt.org/page/Maintenance_Releases
- https://bugzilla.redhat.com/show_bug.cgi?id=1015228
- http://libvirt.org/git/?p=libvirt.git;a=commit;h=57687fd6bf7f6e1b3662c52f3f26c06ab19dc96c
- http://secunia.com/advisories/55210
- http://www.securitytracker.com/id/1029241
- http://www.ubuntu.com/usn/USN-2026-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1015259