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| version 1.11, 2001/06/15 16:50:34 | version 1.12, 2001/06/15 17:20:49 | ||
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| <a name=kernexec></a> | <a name=kernexec></a> | ||
| <li><font color=#009000><strong>030: SECURITY FIX: June 15, 2001</strong></font> | <li><font color=#009000><strong>030: SECURITY FIX: June 15, 2001</strong></font> | ||
| <br> | <br> | ||
| A race condition exists in the kernel <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=execve&sektion=2&format=html">execve(2)</a> implementation that opens a small window of vulnerability for a non-privileged user to <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ptrace&sektion=2&format=html">ptrace(2)</a> attach or queue up arbitrary signals to a suid/sgid process. | A race condition exists in the kernel <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=execve&sektion=2&format=html">execve(2)</a> implementation that opens a small window of vulnerability for a non-privileged user to <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=ptrace&sektion=2&format=html">ptrace(2)</a> attach to a suid/sgid process. | ||
| <br> | <br> | ||
| <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.8/common/030_kernexec.patch">A source code patch exists which remedies the problem</a>. | <a href="ftp://ftp.openbsd.org/pub/OpenBSD/patches/2.8/common/030_kernexec.patch">A source code patch exists which remedies the problem</a>. | ||
| <p> | <p> |