diff options
Diffstat (limited to 'gnu/packages/patches/icu4c-CVE-2020-10531.patch')
-rw-r--r-- | gnu/packages/patches/icu4c-CVE-2020-10531.patch | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/gnu/packages/patches/icu4c-CVE-2020-10531.patch b/gnu/packages/patches/icu4c-CVE-2020-10531.patch deleted file mode 100644 index c2ab923bdc..0000000000 --- a/gnu/packages/patches/icu4c-CVE-2020-10531.patch +++ /dev/null @@ -1,127 +0,0 @@ -Fix CVE-2020-10531: - -https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10531 - -Patch copied from upstream source repository (changes to the test suite -are commented out): - -https://github.com/unicode-org/icu/commit/b7d08bc04a4296982fcef8b6b8a354a9e4e7afca - -From b7d08bc04a4296982fcef8b6b8a354a9e4e7afca Mon Sep 17 00:00:00 2001 -From: Frank Tang <ftang@chromium.org> -Date: Sat, 1 Feb 2020 02:39:04 +0000 -Subject: [PATCH] ICU-20958 Prevent SEGV_MAPERR in append - -See #971 ---- - icu4c/source/common/unistr.cpp | 6 ++- - icu4c/source/test/intltest/ustrtest.cpp | 62 +++++++++++++++++++++++++ - icu4c/source/test/intltest/ustrtest.h | 1 + - 3 files changed, 68 insertions(+), 1 deletion(-) - -diff --git a/icu4c/source/common/unistr.cpp b/icu4c/source/common/unistr.cpp -index 901bb3358ba..077b4d6ef20 100644 ---- a/icu4c/source/common/unistr.cpp -+++ b/icu4c/source/common/unistr.cpp -@@ -1563,7 +1563,11 @@ UnicodeString::doAppend(const UChar *srcChars, int32_t srcStart, int32_t srcLeng - } - - int32_t oldLength = length(); -- int32_t newLength = oldLength + srcLength; -+ int32_t newLength; -+ if (uprv_add32_overflow(oldLength, srcLength, &newLength)) { -+ setToBogus(); -+ return *this; -+ } - - // Check for append onto ourself - const UChar* oldArray = getArrayStart(); -#diff --git a/icu4c/source/test/intltest/ustrtest.cpp b/icu4c/source/test/intltest/ustrtest.cpp -#index b6515ea813c..ad38bdf53a3 100644 -#--- a/icu4c/source/test/intltest/ustrtest.cpp -#+++ b/icu4c/source/test/intltest/ustrtest.cpp -#@@ -67,6 +67,7 @@ void UnicodeStringTest::runIndexedTest( int32_t index, UBool exec, const char* & -# TESTCASE_AUTO(TestWCharPointers); -# TESTCASE_AUTO(TestNullPointers); -# TESTCASE_AUTO(TestUnicodeStringInsertAppendToSelf); -#+ TESTCASE_AUTO(TestLargeAppend); -# TESTCASE_AUTO_END; -# } -# -#@@ -2310,3 +2311,64 @@ void UnicodeStringTest::TestUnicodeStringInsertAppendToSelf() { -# str.insert(2, sub); -# assertEquals("", u"abbcdcde", str); -# } -#+ -#+void UnicodeStringTest::TestLargeAppend() { -#+ if(quick) return; -#+ -#+ IcuTestErrorCode status(*this, "TestLargeAppend"); -#+ // Make a large UnicodeString -#+ int32_t len = 0xAFFFFFF; -#+ UnicodeString str; -#+ char16_t *buf = str.getBuffer(len); -#+ // A fast way to set buffer to valid Unicode. -#+ // 4E4E is a valid unicode character -#+ uprv_memset(buf, 0x4e, len * 2); -#+ str.releaseBuffer(len); -#+ UnicodeString dest; -#+ // Append it 16 times -#+ // 0xAFFFFFF times 16 is 0xA4FFFFF1, -#+ // which is greater than INT32_MAX, which is 0x7FFFFFFF. -#+ int64_t total = 0; -#+ for (int32_t i = 0; i < 16; i++) { -#+ dest.append(str); -#+ total += len; -#+ if (total <= INT32_MAX) { -#+ assertFalse("dest is not bogus", dest.isBogus()); -#+ } else { -#+ assertTrue("dest should be bogus", dest.isBogus()); -#+ } -#+ } -#+ dest.remove(); -#+ total = 0; -#+ for (int32_t i = 0; i < 16; i++) { -#+ dest.append(str); -#+ total += len; -#+ if (total + len <= INT32_MAX) { -#+ assertFalse("dest is not bogus", dest.isBogus()); -#+ } else if (total <= INT32_MAX) { -#+ // Check that a string of exactly the maximum size works -#+ UnicodeString str2; -#+ int32_t remain = INT32_MAX - total; -#+ char16_t *buf2 = str2.getBuffer(remain); -#+ if (buf2 == nullptr) { -#+ // if somehow memory allocation fail, return the test -#+ return; -#+ } -#+ uprv_memset(buf2, 0x4e, remain * 2); -#+ str2.releaseBuffer(remain); -#+ dest.append(str2); -#+ total += remain; -#+ assertEquals("When a string of exactly the maximum size works", (int64_t)INT32_MAX, total); -#+ assertEquals("When a string of exactly the maximum size works", INT32_MAX, dest.length()); -#+ assertFalse("dest is not bogus", dest.isBogus()); -#+ -#+ // Check that a string size+1 goes bogus -#+ str2.truncate(1); -#+ dest.append(str2); -#+ total++; -#+ assertTrue("dest should be bogus", dest.isBogus()); -#+ } else { -#+ assertTrue("dest should be bogus", dest.isBogus()); -#+ } -#+ } -#+} -#diff --git a/icu4c/source/test/intltest/ustrtest.h b/icu4c/source/test/intltest/ustrtest.h -#index 218befdcc68..4a356a92c7a 100644 -#--- a/icu4c/source/test/intltest/ustrtest.h -#+++ b/icu4c/source/test/intltest/ustrtest.h -#@@ -97,6 +97,7 @@ class UnicodeStringTest: public IntlTest { -# void TestWCharPointers(); -# void TestNullPointers(); -# void TestUnicodeStringInsertAppendToSelf(); -#+ void TestLargeAppend(); -# }; -# -# #endif |