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/freebsd-10.2-release/sys/i386/ibcs2/ | ||
H A D | ibcs2_util.c | diff 121016 Sun Oct 12 04:25:26 MDT 2003 tjr Fix a multitude of security bugs in the iBCS2 emulator: - Return NULL instead of returning memory outside of the stackgap in stackgap_alloc() (FreeBSD-SA-00:42.linux) - Check for stackgap_alloc() returning NULL in ibcs2_emul_find(); other calls to stackgap_alloc() have not been changed since they are small fixed-size allocations. - Replace use of strcpy() with strlcpy() in exec_coff_imgact() to avoid buffer overflow - Use strlcat() instead of strcat() to avoid a one byte buffer overflow in ibcs2_setipdomainname() - Use copyinstr() instead of copyin() in ibcs2_setipdomainname() to ensure that the string is null-terminated - Avoid integer overflow in ibcs2_setgroups() and ibcs2_setgroups() by checking that gidsetsize argument is non-negative and no larger than NGROUPS_MAX. - Range-check signal numbers in ibcs2_wait(), ibcs2_sigaction(), ibcs2_sigsys() and ibcs2_kill() to avoid accessing array past the end (or before the start) |
H A D | ibcs2_util.h | diff 121016 Sun Oct 12 04:25:26 MDT 2003 tjr Fix a multitude of security bugs in the iBCS2 emulator: - Return NULL instead of returning memory outside of the stackgap in stackgap_alloc() (FreeBSD-SA-00:42.linux) - Check for stackgap_alloc() returning NULL in ibcs2_emul_find(); other calls to stackgap_alloc() have not been changed since they are small fixed-size allocations. - Replace use of strcpy() with strlcpy() in exec_coff_imgact() to avoid buffer overflow - Use strlcat() instead of strcat() to avoid a one byte buffer overflow in ibcs2_setipdomainname() - Use copyinstr() instead of copyin() in ibcs2_setipdomainname() to ensure that the string is null-terminated - Avoid integer overflow in ibcs2_setgroups() and ibcs2_setgroups() by checking that gidsetsize argument is non-negative and no larger than NGROUPS_MAX. - Range-check signal numbers in ibcs2_wait(), ibcs2_sigaction(), ibcs2_sigsys() and ibcs2_kill() to avoid accessing array past the end (or before the start) |
H A D | ibcs2_signal.c | diff 121016 Sun Oct 12 04:25:26 MDT 2003 tjr Fix a multitude of security bugs in the iBCS2 emulator: - Return NULL instead of returning memory outside of the stackgap in stackgap_alloc() (FreeBSD-SA-00:42.linux) - Check for stackgap_alloc() returning NULL in ibcs2_emul_find(); other calls to stackgap_alloc() have not been changed since they are small fixed-size allocations. - Replace use of strcpy() with strlcpy() in exec_coff_imgact() to avoid buffer overflow - Use strlcat() instead of strcat() to avoid a one byte buffer overflow in ibcs2_setipdomainname() - Use copyinstr() instead of copyin() in ibcs2_setipdomainname() to ensure that the string is null-terminated - Avoid integer overflow in ibcs2_setgroups() and ibcs2_setgroups() by checking that gidsetsize argument is non-negative and no larger than NGROUPS_MAX. - Range-check signal numbers in ibcs2_wait(), ibcs2_sigaction(), ibcs2_sigsys() and ibcs2_kill() to avoid accessing array past the end (or before the start) |
H A D | ibcs2_socksys.c | diff 121016 Sun Oct 12 04:25:26 MDT 2003 tjr Fix a multitude of security bugs in the iBCS2 emulator: - Return NULL instead of returning memory outside of the stackgap in stackgap_alloc() (FreeBSD-SA-00:42.linux) - Check for stackgap_alloc() returning NULL in ibcs2_emul_find(); other calls to stackgap_alloc() have not been changed since they are small fixed-size allocations. - Replace use of strcpy() with strlcpy() in exec_coff_imgact() to avoid buffer overflow - Use strlcat() instead of strcat() to avoid a one byte buffer overflow in ibcs2_setipdomainname() - Use copyinstr() instead of copyin() in ibcs2_setipdomainname() to ensure that the string is null-terminated - Avoid integer overflow in ibcs2_setgroups() and ibcs2_setgroups() by checking that gidsetsize argument is non-negative and no larger than NGROUPS_MAX. - Range-check signal numbers in ibcs2_wait(), ibcs2_sigaction(), ibcs2_sigsys() and ibcs2_kill() to avoid accessing array past the end (or before the start) |
H A D | imgact_coff.c | diff 121016 Sun Oct 12 04:25:26 MDT 2003 tjr Fix a multitude of security bugs in the iBCS2 emulator: - Return NULL instead of returning memory outside of the stackgap in stackgap_alloc() (FreeBSD-SA-00:42.linux) - Check for stackgap_alloc() returning NULL in ibcs2_emul_find(); other calls to stackgap_alloc() have not been changed since they are small fixed-size allocations. - Replace use of strcpy() with strlcpy() in exec_coff_imgact() to avoid buffer overflow - Use strlcat() instead of strcat() to avoid a one byte buffer overflow in ibcs2_setipdomainname() - Use copyinstr() instead of copyin() in ibcs2_setipdomainname() to ensure that the string is null-terminated - Avoid integer overflow in ibcs2_setgroups() and ibcs2_setgroups() by checking that gidsetsize argument is non-negative and no larger than NGROUPS_MAX. - Range-check signal numbers in ibcs2_wait(), ibcs2_sigaction(), ibcs2_sigsys() and ibcs2_kill() to avoid accessing array past the end (or before the start) |
H A D | ibcs2_misc.c | diff 121016 Sun Oct 12 04:25:26 MDT 2003 tjr Fix a multitude of security bugs in the iBCS2 emulator: - Return NULL instead of returning memory outside of the stackgap in stackgap_alloc() (FreeBSD-SA-00:42.linux) - Check for stackgap_alloc() returning NULL in ibcs2_emul_find(); other calls to stackgap_alloc() have not been changed since they are small fixed-size allocations. - Replace use of strcpy() with strlcpy() in exec_coff_imgact() to avoid buffer overflow - Use strlcat() instead of strcat() to avoid a one byte buffer overflow in ibcs2_setipdomainname() - Use copyinstr() instead of copyin() in ibcs2_setipdomainname() to ensure that the string is null-terminated - Avoid integer overflow in ibcs2_setgroups() and ibcs2_setgroups() by checking that gidsetsize argument is non-negative and no larger than NGROUPS_MAX. - Range-check signal numbers in ibcs2_wait(), ibcs2_sigaction(), ibcs2_sigsys() and ibcs2_kill() to avoid accessing array past the end (or before the start) |
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