6681 : Orville Write orville-write wrt_type.c Local Overflow
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Disclosure Date


A local overflow exists in Orville Write. The "wrt_type" binary fails to perform proper bounds checking resulting in a buffer overflow. With a specially crafted request to the environment variable, a malicious user can cause arbitrary code execution with elevated privileges, possibly root, if the program was installed setuid, or "tty" group privileges, if the program was installed setgid, resulting in a loss of integrity.


Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Public


Upgrade to version 2.54 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.


Jan Wolter
Orville Write


Tools & Filters



  • Steve Kemp - skxtardis.ed.ac.uk -

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Access_vector_0 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2


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