48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
BASH PATCH REPORT
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=================
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Bash-Release: 4.2
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Patch-ID: bash42-033
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Bug-Reported-by: David Leverton <levertond@googlemail.com>
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Bug-Reference-ID: <4FCCE737.1060603@googlemail.com>
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Bug-Reference-URL:
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Bug-Description:
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Bash uses a static buffer when expanding the /dev/fd prefix for the test
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and conditional commands, among other uses, when it should use a dynamic
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buffer to avoid buffer overflow.
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Patch (apply with `patch -p0'):
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--- a/lib/sh/eaccess.c
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+++ b/lib/sh/eaccess.c
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@@ -82,6 +82,8 @@ sh_stat (path, finfo)
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const char *path;
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struct stat *finfo;
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{
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+ static char *pbuf = 0;
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+
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if (*path == '\0')
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{
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errno = ENOENT;
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@@ -106,7 +108,7 @@ sh_stat (path, finfo)
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trailing slash. Make sure /dev/fd/xx really uses DEV_FD_PREFIX/xx.
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On most systems, with the notable exception of linux, this is
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effectively a no-op. */
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- char pbuf[32];
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+ pbuf = xrealloc (pbuf, sizeof (DEV_FD_PREFIX) + strlen (path + 8));
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strcpy (pbuf, DEV_FD_PREFIX);
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strcat (pbuf, path + 8);
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return (stat (pbuf, finfo));
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 32
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+#define PATCHLEVEL 33
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#endif /* _PATCHLEVEL_H_ */
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