Vulnerability Bulletins |
Salto de restricciones en linux-ftpd |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Aumento de privilegios |
| Dificulty | Experto |
| Required attacker level | Acceso remoto sin cuenta a un servicio estandar |
System information |
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| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software | linux-ftpd <= 0.17 |
Description |
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Se ha descubierto una vulnerabilidad en ftpd de linux-ftpd 0.17 y posiblemente en versiones anteriores. La vulnerabilidad reside en un error al comprobar restricciones. Un atacante local podría acceder a un directorio restringido mediante la redirección de su directorio inicial debido a que linux-ftpd hace el cambio antes de aplicar el UID. |
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Solution |
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Actualización de software Debian Debian Linux 3.1 Source http://security.debian.org/pool/updates/main/l/linux-ftpd/linux-ftpd_0.17-20sarge2.dsc http://security.debian.org/pool/updates/main/l/linux-ftpd/linux-ftpd_0.17-20sarge2.diff.gz http://security.debian.org/pool/updates/main/l/linux-ftpd/linux-ftpd_0.17.orig.tar.gz Alpha http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_alpha.deb AMD64 http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_amd64.deb ARM http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_arm.deb HP Precision http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_hppa.deb Intel IA-32 http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_i386.deb Intel IA-64 http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_ia64.deb Motorola 680x0 http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_m68k.deb Big endian MIPS http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_mips.deb Little endian MIPS http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_mipsel.deb PowerPC http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_powerpc.deb IBM S/390 http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_s390.deb Sun Sparc http://security.debian.org/pool/updates/main/l/linux-ftpd/ftpd_0.17-20sarge2_sparc.deb |
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Standar resources |
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| Property | Value |
| CVE | CVE-2006-5778 |
| BID | |
Other resources |
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Debian Security Advisory (DSA 1217-1) http://lists.debian.org/debian-security-announce/debian-security-announce-2006/msg00314.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2006-11-21 |