Vulnerability Bulletins |
Salto de verificación de certificado en cURL |
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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 | cURL < 7.19.6 |
Description |
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Se ha descubierto una vulnerabilidad en cURL. La vulnerabilidad reside en un error en el manejo de caracteres NULL en certificados X.509. Un atacante remoto podría saltar la verificación de un certificado mediante un certificado especialmente diseñado. |
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Solution |
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Actualización de software Red Hat (RHSA-2009:1209-1) RHEL Desktop Workstation (v. 5 cliente) Red Hat Desktop (v. 3) Red Hat Desktop (v. 4) Red Hat Enterprise Linux (v. 5 servidor) Red Hat Enterprise Linux AS (v. 3) Red Hat Enterprise Linux AS (v. 4) Red Hat Enterprise Linux AS (v. 4.8.z) Red Hat Enterprise Linux Desktop (v. 5 cliente) Red Hat Enterprise Linux ES (v. 3) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux ES (v. 4.8.z) Red Hat Enterprise Linux EUS (v. 5.3.z servidor) Red Hat Enterprise Linux WS (v. 3) Red Hat Enterprise Linux WS (v. 4) https://rhn.redhat.com/ Debian (DSA-1869-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3.diff.gz http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5.orig.tar.gz http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3.dsc Arquitectura independiente: http://security.debian.org/pool/updates/main/c/curl/libcurl3-dev_7.15.5-1etch3_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_arm.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_arm.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_arm.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_arm.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_arm.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_i386.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_i386.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_i386.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_i386.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_i386.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_mips.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_mips.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_mips.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_mips.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_mips.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_mips.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls-dev_7.15.5-1etch3_s390.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-openssl-dev_7.15.5-1etch3_s390.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.15.5-1etch3_s390.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.15.5-1etch3_s390.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.15.5-1etch3_s390.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.15.5-1etch3_s390.deb Debian (DSA-1869-1) Debian Linux 5.0 Source http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3.dsc http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3.diff.gz http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2.orig.tar.gz alpha (DEC Alpha) http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_alpha.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_amd64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_arm.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_arm.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_arm.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_arm.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_arm.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_arm.deb armel (ARM EABI) http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_armel.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_armel.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_armel.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_armel.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_armel.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_armel.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_hppa.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_i386.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_i386.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_i386.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_i386.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_i386.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_ia64.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_mips.deb http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_mips.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_mips.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_mips.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_mips.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_mips.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/c/curl/curl_7.18.2-8lenny3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-dbg_7.18.2-8lenny3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-gnutls-dev_7.18.2-8lenny3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3-gnutls_7.18.2-8lenny3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/libcurl4-openssl-dev_7.18.2-8lenny3_powerpc.deb http://security.debian.org/pool/updates/main/c/curl/libcurl3_7.18.2-8lenny3_powerpc.deb Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux. |
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Standar resources |
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| Property | Value |
| CVE | CVE-2009-2417 |
| BID | |
Other resources |
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Red Hat Security Advisory (RHSA-2009:1209-1) https://rhn.redhat.com/errata/RHSA-2009-1209.html Debian Security Advisory (DSA-1869-1) http://lists.debian.org/debian-security-announce/2009/msg00186.html SUSE Security Advisory (SUSE-SR:2009:014) http://www.novell.com/linux/security/advisories/2009_14_sr.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2009-08-14 |
| 1.1 | Aviso emitido por Debian (DSA-1869-1) | 2009-08-26 |
| 1.2 | Aviso emitido por Suse (SUSE-SR:2009:014) | 2009-09-10 |