Vulnerability Bulletins |
Denegación de servicio en umount de Linux |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Denegación de Servicio |
| Dificulty | Experto |
| Required attacker level | Acceso fisico |
System information |
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| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software | Util-linux |
Description |
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Se ha descubierto una vulnerabilidad en la herramienta umount de Linux en las versión 2.6.15 del kernel. La vulnerabilidad reside en un error al seguir un puntero a NULL. Un atacante local podría causar una denegación de servicio mediante la invocación de un programa que la ruta de acceso sea a un disco USB que esté montado en el sistema pero que se haya desconectado. |
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Solution |
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Actualización de software Mandriva (MDKSA-2007:053) Mandriva Linux 2006 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/losetup-2.12q-7.1.20060mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/mount-2.12q-7.1.20060mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/util-linux-2.12q-7.1.20060mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/util-linux-2.12q-7.1.20060mdk.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/losetup-2.12q-7.1.20060mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/mount-2.12q-7.1.20060mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/util-linux-2.12q-7.1.20060mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/util-linux-2.12q-7.1.20060mdk.src.rpm Mandriva Linux 2007 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/losetup-2.12r-8.1mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/mount-2.12r-8.1mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/util-linux-2.12r-8.1mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/util-linux-2.12r-8.1mdv2007.0.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/losetup-2.12r-8.1mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/mount-2.12r-8.1mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/util-linux-2.12r-8.1mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/util-linux-2.12r-8.1mdv2007.0.src.rpm Corporate Server 4.0 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/losetup-2.12q-7.1.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/mount-2.12q-7.1.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/util-linux-2.12q-7.1.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/util-linux-2.12q-7.1.20060mlcs4.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/losetup-2.12q-7.1.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/mount-2.12q-7.1.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/util-linux-2.12q-7.1.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/util-linux-2.12q-7.1.20060mlcs4.src.rpm |
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Standar resources |
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| Property | Value |
| CVE | CVE-2007-0822 |
| BID | |
Other resources |
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Mandriva Security Advisory (MDKSA-2007:053) http://www.mandriva.com/security/advisories?name=MDKSA-2007:053 |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2007-03-07 |