Title: Hylafax Oversized Scan Line Remote Buffer Overflow Vulnerability
Severity: CRITICAL
Description:
Hylafax is a software package designed to handle the transmission of Faxes.
A buffer overflow has been reported in the faxgetty program distributed with some versions of Hylafax. faxgetty monitors incoming calls and modem status. A malicious fax transmission may include a long scan line that will overflow a memory buffer, corrupting adjacent memory.
It is possible to exploit this vulnerability to create a denial of service condition. More careful exploitation may result in the corruption of stack frame data, and the execution of arbitrary code as the faxgetty process. In typical installations, faxgetty will run with root privileges.
Affected Products:
- Debian Linux 2.3.0
- Debian Linux 2.3.0 68k
- Debian Linux 2.3.0 alpha
- Debian Linux 2.3.0 arm
- Debian Linux 2.3.0 powerpc
- Debian Linux 2.3.0 sparc
- Debian Linux 3.0.0
- Hylafax Hylafax 4.0.0pl0
- Hylafax Hylafax 4.0.0pl1
- Hylafax Hylafax 4.0.0pl2
- Hylafax Hylafax 4.0.2
- Hylafax Hylafax 4.1.0
- Hylafax Hylafax 4.1.0-beta1
- Hylafax Hylafax 4.1.0-beta2
- Hylafax Hylafax 4.1.0-beta3
- Hylafax Hylafax 4.1.1
- Hylafax Hylafax 4.1.2
- MandrakeSoft Corporate Server 1.0.1
- MandrakeSoft Linux Mandrake 7.1.0
- MandrakeSoft Linux Mandrake 7.2.0
- MandrakeSoft Linux Mandrake 8.0.0
- MandrakeSoft Linux Mandrake 8.0.0 ppc
- MandrakeSoft Linux Mandrake 8.1.0
- MandrakeSoft Linux Mandrake 8.1.0 ia64
- MandrakeSoft Linux Mandrake 8.2.0
- MandrakeSoft Linux Mandrake 8.2.0 ppc
- S.u.S.E. Linux 7.0.0
- S.u.S.E. Linux 7.0.0 alpha
- S.u.S.E. Linux 7.0.0 i386
- S.u.S.E. Linux 7.0.0 ppc
- S.u.S.E. Linux 7.0.0 sparc
- S.u.S.E. Linux 7.1.0
- S.u.S.E. Linux 7.1.0 alpha
- S.u.S.E. Linux 7.1.0 ppc
- S.u.S.E. Linux 7.1.0 sparc
- S.u.S.E. Linux 7.1.0 x86
- S.u.S.E. Linux 7.2.0
- S.u.S.E. Linux 7.2.0 i386
- S.u.S.E. Linux 7.3.0
- S.u.S.E. Linux 7.3.0 i386
- S.u.S.E. Linux 7.3.0 ppc
- S.u.S.E. Linux 7.3.0 sparc
- S.u.S.E. Linux 8.0.0
- S.u.S.E. Linux 8.0.0 i386
References:
- Hylafax: Hylafax Homepage
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