diff options
| -rw-r--r-- | gnu/local.mk | 1 | ||||
| -rw-r--r-- | gnu/packages/base.scm | 3 | ||||
| -rw-r--r-- | gnu/packages/patches/binutils-CVE-2021-45078.patch | 257 |
3 files changed, 260 insertions, 1 deletions
diff --git a/gnu/local.mk b/gnu/local.mk index 86c1e57aa4..2e46fac7f7 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -908,6 +908,7 @@ dist_patch_DATA = \ %D%/packages/patches/binutils-loongson-workaround.patch \ %D%/packages/patches/binutils-mingw-w64-timestamp.patch \ %D%/packages/patches/binutils-mingw-w64-deterministic.patch \ + %D%/packages/patches/binutils-CVE-2021-45078.patch \ %D%/packages/patches/bpftrace-disable-bfd-disasm.patch \ %D%/packages/patches/byobu-writable-status.patch \ %D%/packages/patches/cabal-install-base16-bytestring1.0.patch \ diff --git a/gnu/packages/base.scm b/gnu/packages/base.scm index 73bdf16ea5..a422d64046 100644 --- a/gnu/packages/base.scm +++ b/gnu/packages/base.scm @@ -521,7 +521,8 @@ change. GNU make offers many powerful extensions over the standard utility.") (sha256 (base32 "1m3b2rdfv1dmdpd0bzg1hy7i8a2qng53szc6livyi3nh6101mz37")) (patches (search-patches "binutils-loongson-workaround.patch" - "binutils-2.37-file-descriptor-leak.patch")))) + "binutils-2.37-file-descriptor-leak.patch" + "binutils-CVE-2021-45078.patch")))) (build-system gnu-build-system) (arguments `(#:out-of-source? #t ;recommended in the README diff --git a/gnu/packages/patches/binutils-CVE-2021-45078.patch b/gnu/packages/patches/binutils-CVE-2021-45078.patch new file mode 100644 index 0000000000..fca692bdb5 --- /dev/null +++ b/gnu/packages/patches/binutils-CVE-2021-45078.patch @@ -0,0 +1,257 @@ +Fix CVE-2021-45078 (incomplete fix for CVE-2018-12699): + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45078 +https://sourceware.org/bugzilla/show_bug.cgi?id=28694 + +Patch copied from upstream source repository: + +https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=161e87d12167b1e36193385485c1f6ce92f74f02 + +From 161e87d12167b1e36193385485c1f6ce92f74f02 Mon Sep 17 00:00:00 2001 +From: Alan Modra <amodra@gmail.com> +Date: Wed, 15 Dec 2021 11:48:42 +1030 +Subject: [PATCH] PR28694, Out-of-bounds write in stab_xcoff_builtin_type + + PR 28694 + * stabs.c (stab_xcoff_builtin_type): Make typenum unsigned. + Negate typenum earlier, simplifying bounds checking. Correct + off-by-one indexing. Adjust switch cases. +--- + binutils/stabs.c | 87 ++++++++++++++++++++++++------------------------ + 1 file changed, 43 insertions(+), 44 deletions(-) + +diff --git a/binutils/stabs.c b/binutils/stabs.c +index 274bfb0e7fa..83ee3ea5fa4 100644 +--- a/binutils/stabs.c ++++ b/binutils/stabs.c +@@ -202,7 +202,7 @@ static debug_type stab_find_type (void *, struct stab_handle *, const int *); + static bool stab_record_type + (void *, struct stab_handle *, const int *, debug_type); + static debug_type stab_xcoff_builtin_type +- (void *, struct stab_handle *, int); ++ (void *, struct stab_handle *, unsigned int); + static debug_type stab_find_tagged_type + (void *, struct stab_handle *, const char *, int, enum debug_type_kind); + static debug_type *stab_demangle_argtypes +@@ -3496,166 +3496,167 @@ stab_record_type (void *dhandle ATTRIBUTE_UNUSED, struct stab_handle *info, + + static debug_type + stab_xcoff_builtin_type (void *dhandle, struct stab_handle *info, +- int typenum) ++ unsigned int typenum) + { + debug_type rettype; + const char *name; + +- if (typenum >= 0 || typenum < -XCOFF_TYPE_COUNT) ++ typenum = -typenum - 1; ++ if (typenum >= XCOFF_TYPE_COUNT) + { +- fprintf (stderr, _("Unrecognized XCOFF type %d\n"), typenum); ++ fprintf (stderr, _("Unrecognized XCOFF type %d\n"), -typenum - 1); + return DEBUG_TYPE_NULL; + } +- if (info->xcoff_types[-typenum] != NULL) +- return info->xcoff_types[-typenum]; ++ if (info->xcoff_types[typenum] != NULL) ++ return info->xcoff_types[typenum]; + +- switch (-typenum) ++ switch (typenum) + { +- case 1: ++ case 0: + /* The size of this and all the other types are fixed, defined + by the debugging format. */ + name = "int"; + rettype = debug_make_int_type (dhandle, 4, false); + break; +- case 2: ++ case 1: + name = "char"; + rettype = debug_make_int_type (dhandle, 1, false); + break; +- case 3: ++ case 2: + name = "short"; + rettype = debug_make_int_type (dhandle, 2, false); + break; +- case 4: ++ case 3: + name = "long"; + rettype = debug_make_int_type (dhandle, 4, false); + break; +- case 5: ++ case 4: + name = "unsigned char"; + rettype = debug_make_int_type (dhandle, 1, true); + break; +- case 6: ++ case 5: + name = "signed char"; + rettype = debug_make_int_type (dhandle, 1, false); + break; +- case 7: ++ case 6: + name = "unsigned short"; + rettype = debug_make_int_type (dhandle, 2, true); + break; +- case 8: ++ case 7: + name = "unsigned int"; + rettype = debug_make_int_type (dhandle, 4, true); + break; +- case 9: ++ case 8: + name = "unsigned"; + rettype = debug_make_int_type (dhandle, 4, true); + break; +- case 10: ++ case 9: + name = "unsigned long"; + rettype = debug_make_int_type (dhandle, 4, true); + break; +- case 11: ++ case 10: + name = "void"; + rettype = debug_make_void_type (dhandle); + break; +- case 12: ++ case 11: + /* IEEE single precision (32 bit). */ + name = "float"; + rettype = debug_make_float_type (dhandle, 4); + break; +- case 13: ++ case 12: + /* IEEE double precision (64 bit). */ + name = "double"; + rettype = debug_make_float_type (dhandle, 8); + break; +- case 14: ++ case 13: + /* This is an IEEE double on the RS/6000, and different machines + with different sizes for "long double" should use different + negative type numbers. See stabs.texinfo. */ + name = "long double"; + rettype = debug_make_float_type (dhandle, 8); + break; +- case 15: ++ case 14: + name = "integer"; + rettype = debug_make_int_type (dhandle, 4, false); + break; +- case 16: ++ case 15: + name = "boolean"; + rettype = debug_make_bool_type (dhandle, 4); + break; +- case 17: ++ case 16: + name = "short real"; + rettype = debug_make_float_type (dhandle, 4); + break; +- case 18: ++ case 17: + name = "real"; + rettype = debug_make_float_type (dhandle, 8); + break; +- case 19: ++ case 18: + /* FIXME */ + name = "stringptr"; + rettype = NULL; + break; +- case 20: ++ case 19: + /* FIXME */ + name = "character"; + rettype = debug_make_int_type (dhandle, 1, true); + break; +- case 21: ++ case 20: + name = "logical*1"; + rettype = debug_make_bool_type (dhandle, 1); + break; +- case 22: ++ case 21: + name = "logical*2"; + rettype = debug_make_bool_type (dhandle, 2); + break; +- case 23: ++ case 22: + name = "logical*4"; + rettype = debug_make_bool_type (dhandle, 4); + break; +- case 24: ++ case 23: + name = "logical"; + rettype = debug_make_bool_type (dhandle, 4); + break; +- case 25: ++ case 24: + /* Complex type consisting of two IEEE single precision values. */ + name = "complex"; + rettype = debug_make_complex_type (dhandle, 8); + break; +- case 26: ++ case 25: + /* Complex type consisting of two IEEE double precision values. */ + name = "double complex"; + rettype = debug_make_complex_type (dhandle, 16); + break; +- case 27: ++ case 26: + name = "integer*1"; + rettype = debug_make_int_type (dhandle, 1, false); + break; +- case 28: ++ case 27: + name = "integer*2"; + rettype = debug_make_int_type (dhandle, 2, false); + break; +- case 29: ++ case 28: + name = "integer*4"; + rettype = debug_make_int_type (dhandle, 4, false); + break; +- case 30: ++ case 29: + /* FIXME */ + name = "wchar"; + rettype = debug_make_int_type (dhandle, 2, false); + break; +- case 31: ++ case 30: + name = "long long"; + rettype = debug_make_int_type (dhandle, 8, false); + break; +- case 32: ++ case 31: + name = "unsigned long long"; + rettype = debug_make_int_type (dhandle, 8, true); + break; +- case 33: ++ case 32: + name = "logical*8"; + rettype = debug_make_bool_type (dhandle, 8); + break; +- case 34: ++ case 33: + name = "integer*8"; + rettype = debug_make_int_type (dhandle, 8, false); + break; +@@ -3664,9 +3665,7 @@ stab_xcoff_builtin_type (void *dhandle, struct stab_handle *info, + } + + rettype = debug_name_type (dhandle, name, rettype); +- +- info->xcoff_types[-typenum] = rettype; +- ++ info->xcoff_types[typenum] = rettype; + return rettype; + } + +-- +2.27.0 + |