Vulnerability Bulletins |
Ataque de enlace simbólico en el paquete Thttpd de Debian |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Integridad |
| Dificulty | Experto |
| Required attacker level | Acceso remoto con cuenta |
System information |
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| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software | Debian / Thttpd |
Description |
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Se ha descubierto una vulnerabilidad en el paquete thttpd de la distribución Debian. La vulnerabilidad reside en una condición de carrera, localizada en el script /etc/logrotate.d/thttpd, durante el manejo del archivo temporal /tmp/start_thttpd. La explotación de esta vulnerabilidad podría permitir a un atacante local crear o modificar archivos arbitrarios mediante un ataque de enlace simbólico. |
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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/t/thttpd/thttpd_2.23beta1-3sarge2.dsc http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2.diff.gz http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1.orig.tar.gz Alpha http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_alpha.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_alpha.deb AMD64 http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_amd64.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_amd64.deb ARM http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_arm.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_arm.deb HP Precision http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_hppa.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_hppa.deb Intel IA-32 http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_i386.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_i386.deb Intel IA-64 http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_ia64.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_ia64.deb Motorola 680x0 http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_m68k.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_m68k.deb Big endian MIPS http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_mips.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_mips.deb Little endian MIPS http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_mipsel.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_mipsel.deb PowerPC http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_powerpc.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_powerpc.deb IBM S/390 http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_s390.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_s390.deb Sun Sparc http://security.debian.org/pool/updates/main/t/thttpd/thttpd_2.23beta1-3sarge2_sparc.deb http://security.debian.org/pool/updates/main/t/thttpd/thttpd-util_2.23beta1-3sarge2_sparc.deb |
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Standar resources |
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| Property | Value |
| CVE | CVE-2006-4248 |
| BID | 20891 |
Other resources |
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Debian (DSA-1205) http://www.debian.org/security/2006/dsa-1205 Debian Security Advisory (DSA 1205-2) http://lists.debian.org/debian-security-announce/debian-security-announce-2006/msg00321.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2006-11-03 |
| 1.1 | Aviso actualizado por Debian (DSA 1205-2) | 2006-12-04 |