OSVDB ID: 29570 Title: Multiple BSD systrace systrace_preprepl() Function Overflow |
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Description |
A local overflow exists in OpenBSD and NetBSD. systrace fails to validate data passed to the systrace_preprepl function resulting in an integer overflow. With a specially crafted request, an attacker can cause a denial of service or read arbitrary kernel memory resulting in a loss of confidentiality and/or availability. |
Classification |
Location:
Local Access Required
Attack Type: Denial of Service, Input Manipulation Impact: Loss of Confidentiality, Loss of Integrity, Loss of Availability Exploit: Exploit Unknown Disclosure: OSVDB Verified |
Solution |
For NetBSD, upgrade to the release indicated in the vendor advisory as it has been reported to fix this vulnerability. OpenBSD has released a patch to address this vulnerability. |
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Credit |
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scary.beasts.org -