CVE-2005-3346
HighSummary
A buffer overflow in the environment variable substitution code in main.c in OSH 1.7-14 allows local users to inject arbitrary environment variables, such as LD_PRELOAD, via pathname arguments of the form "$VAR/EVAR=arg", which cause the EVAR portion to be appended to a buffer returned by a getenv function call.
Risk Assessment
An attacker with local access can exploit this vulnerability to escalate privileges or execute arbitrary code by manipulating environment variables.
Recommendation
Immediately update OSH to a version later than 1.7-14 that includes a fix for the buffer overflow. If an update is not possible, restrict access to the OSH shell for untrusted users.
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Original NVD description (English source)
Buffer overflow in the environment variable substitution code in main.c in OSH 1.7-14 allows local users to inject arbitrary environment variables, such as LD_PRELOAD, via pathname arguments of the form "$VAR/EVAR=arg", which cause the EVAR portion to be appended to a buffer returned by a getenv function call.