int(2757)

Vulnerability Bulletins


Denegación de servicio en libksba

Vulnerability classification

Property Value
Confidence level Oficial
Impact Denegación de Servicio
Dificulty Experto
Required attacker level Acceso remoto sin cuenta a un servicio exotico

System information

Property Value
Affected manufacturer GNU/Linux
Affected software libksba 0.9.12

Description

Se ha descubierto una vulnerabilidad en la librería libksba 0.9.12 y posiblemente en otras versiones. La vulnerabilidad reside en un error al manejar certificados X.509.

Un atacante remoto podría causar una denegación de servicio, usando en la firma un certificado X.509 mal formado.

Solution



Actualización de software

Mandriva

Mandriva Linux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/libksba8-0.9.11-2.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/libksba8-devel-0.9.11-2.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/libksba-0.9.11-2.1.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/lib64ksba8-0.9.11-2.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/lib64ksba8-devel-0.9.11-2.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/libksba-0.9.11-2.1.20060mdk.src.rpm

Corporate Server 4.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libksba8-0.9.11-2.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libksba8-devel-0.9.11-2.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/libksba-0.9.11-2.1.20060mlcs4.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64ksba8-0.9.11-2.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64ksba8-devel-0.9.11-2.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/libksba-0.9.11-2.1.20

Standar resources

Property Value
CVE CVE-2006-5111
BID

Other resources

Mandriva Security Advisory (MDKSA-2006:183)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:183

Version history

Version Comments Date
1.0 Aviso emitido 2006-10-18
Ministerio de Defensa
CNI
CCN
CCN-CERT