Vulnerability Bulletins |
Desbordamiento de búfer en libspf2 |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Obtener acceso |
| Dificulty | Avanzado |
| 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 | libspf2 < 1.2.8 |
Description |
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Se ha descubierto una vulnerabilidad de tipo desbordamiento de búfer en libspf2 1.2. La vulnerabilidad reside en un error en la función "SPF_dns_resolv_lookup" en "Spf_dns_resolv.c". Un atacante remoto podría ejecutar código arbitrario mediante un registro DNS TXT muy largo con el campo de longitud modificado. Prueba de concepto disponible. |
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Solution |
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Actualización de software Debian (DSA-1659-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/libs/libspf2/libspf2_1.2.5.orig.tar.gz http://security.debian.org/pool/updates/main/libs/libspf2/libspf2_1.2.5-4+etch1.dsc http://security.debian.org/pool/updates/main/libs/libspf2/libspf2_1.2.5-4+etch1.diff.gz alpha (DEC Alpha) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_alpha.deb http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_alpha.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_amd64.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_amd64.deb http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_arm.deb http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_arm.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_hppa.deb http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_hppa.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_i386.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_i386.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_ia64.deb http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_ia64.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_ia64.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_mipsel.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_mipsel.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_powerpc.deb http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_powerpc.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_s390.deb http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_s390.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/libs/libspf2/spfquery_1.2.5-4+etch1_sparc.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-dev_1.2.5-4+etch1_sparc.deb http://security.debian.org/pool/updates/main/libs/libspf2/libspf2-2_1.2.5-4+etch1_sparc.deb |
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Standar resources |
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| Property | Value |
| CVE | CVE-2008-2469 |
| BID | 31881 |
Other resources |
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Debian Security Advisory (DSA-1659-1) http://lists.debian.org/debian-security-announce/2008/msg00251.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2008-10-24 |