Vulnerability Bulletins |
Desbordamiento de búfer en Imager |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Obtener acceso |
| Dificulty | Experto |
| Required attacker level | Acceso remoto sin cuenta a un servicio exotico |
System information |
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| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software | Imager 0.56 |
Description |
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Se ha descubierto una vulnerabilidad de tipo desbordamiento de búfer en Imager 0.56, una extensión de Perl para generar imágenes. La vulnerabilidad reside en un error al comprobar los límites en las funciones "read_4bit_bmp()" y "read_8bit_bmp()". Un atacante remoto podría causar una denegación de servicio (cierre de la aplicación) ejecutar código arbitrario mediante un fichero BMP especialmente diseñado. |
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Solution |
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Actualización de software Debian (DSA-1498-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1.diff.gz http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1.dsc http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50.orig.tar.gz alpha (DEC Alpha) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_mipsel.de s390 (IBM S/390) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/libi/libimager-perl/libimager-perl_0.50-1etch1_sparc.deb |
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Standar resources |
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| Property | Value |
| CVE | CVE-2007-2459 |
| BID | |
Other resources |
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Debian Security Advisory (DSA-1498-1) http://lists.debian.org/debian-security-announce/2008/msg00062.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2008-02-20 |