Vulnerability Bulletins |
Ejecución de comandos arbitrarios en Xen |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Obtener acceso |
| Dificulty | Experto |
| Required attacker level | Acceso remoto con cuenta |
System information |
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| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software | Xen 3.0.3 |
Description |
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Se ha encontrado una vulnerabilidad en Xen 3.0.3 en los archivos tools/pygrub/src/GrubConf.py. La vulnerabilidad yace cuando se inicia un dominio invitado. Un atacante local con privilegios elevados en el dominio invitado podría ejecutar comandos de forma arbitraria en el dominio 0 mediante un archivo grub.conf especialmente diseñado cuyos contenidos son usados en los statements exec. |
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Solution |
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Actualización de software Red Hat (RHSA-2007:0323-2) RHEL Desktop Multi OS (v. 5 client) RHEL Virtualization (v. 5 server) Red Hat Enterprise Linux (v. 5 server) Red Hat Enterprise Linux Desktop (v. 5 client) https://rhn.redhat.com/ Debian (DSA 1384-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/x/xen-3.0/xen-3.0_3.0.3-0.orig.tar.gz http://security.debian.org/pool/updates/main/x/xen-3.0/xen-3.0_3.0.3-0-3.diff.gz http://security.debian.org/pool/updates/main/x/xen-3.0/xen-3.0_3.0.3-0-3.dsc Architecture independent http://security.debian.org/pool/updates/main/x/xen-3.0/xen-docs-3.0_3.0.3-0-3_all.deb amd64 http://security.debian.org/pool/updates/main/x/xen-3.0/xen-utils-3.0.3-1_3.0.3-0-3_amd64.deb http://security.debian.org/pool/updates/main/x/xen-3.0/xen-ioemu-3.0.3-1_3.0.3-0-3_amd64.deb http://security.debian.org/pool/updates/main/x/xen-3.0/xen-hypervisor-3.0.3-1-amd64_3.0.3-0-3_amd64.deb i386 http://security.debian.org/pool/updates/main/x/xen-3.0/xen-hypervisor-3.0.3-1-i386-pae_3.0.3-0-3_i386.deb http://security.debian.org/pool/updates/main/x/xen-3.0/xen-ioemu-3.0.3-1_3.0.3-0-3_i386.deb http://security.debian.org/pool/updates/main/x/xen-3.0/xen-utils-3.0.3-1_3.0.3-0-3_i386.deb http://security.debian.org/pool/updates/main/x/xen-3.0/xen-hypervisor-3.0.3-1-i386_3.0.3-0-3_i386.deb Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux. Mandriva (MDKSA-2007:203) Mandriva Linux 2007 X86 2007.0/i586/xen-3.0.3-0.20060703.3.1mdv2007.0.i586.rpm 2007.0/SRPMS/xen-3.0.3-0.20060703.3.1mdv2007.0.src.rpm X86_64 2007.0/x86_64/xen-3.0.3-0.20060703.3.1mdv2007.0.x86_64.rpm 2007.0/SRPMS/xen-3.0.3-0.20060703.3.1mdv2007.0.src.rpm Corporate Server 4.0 X86 corporate/4.0/i586/xen-3.0.1-3.1.20060mlcs4.i586.rpm corporate/4.0/SRPMS/xen-3.0.1-3.1.20060mlcs4.src.rpm X86_64 corporate/4.0/x86_64/xen-3.0.1-3.1.20060mlcs4.x86_64.rpm corporate/4.0/SRPMS/xen-3.0.1-3.1.20060mlcs4.src.rpm Mandriva Linux 2007.1 X86 2007.1/i586/xen-3.0.3-0.20060703.5.1mdv2007.1.i586.rpm 2007.1/SRPMS/xen-3.0.3-0.20060703.5.1mdv2007.1.src.rpm X86_64 2007.1/x86_64/xen-3.0.3-0.20060703.5.1mdv2007.1.x86_64.rpm 2007.1/SRPMS/xen-3.0.3-0.20060703.5.1mdv2007.1.src.rpm |
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Standar resources |
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| Property | Value |
| CVE | CVE-2007-4993 |
| BID | 25825 |
Other resources |
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Red Hat Security Advisory (RHSA-2007:0323-2) https://rhn.redhat.com/errata/RHSA-2007-0323.html Debian Security Advisory (DSA 1384-1) http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00155.html SUSE Security Summary Report (SUSE-SR:2007:020) http://www.novell.com/linux/security/advisories/2007_20_sr.html Mandriva Security Advisory (MDKSA-2007:203) http://www.mandriva.com/security/advisories?name=MDKSA-2007:203 |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2007-10-03 |
| 1.1 | Aviso emitido por Debian (DSA 1384-1) | 2007-10-08 |
| 1.2 | Aviso emitido por Suse (SUSE-SR:2007:020) | 2007-10-15 |
| 1.3 | Aviso emitido por Mandriva (MDKSA-2007:203) | 2007-11-07 |