{"id":729,"date":"2016-10-16T12:31:45","date_gmt":"2016-10-16T10:31:45","guid":{"rendered":"http:\/\/blogs.gentoo.org\/ago\/?p=729"},"modified":"2016-10-21T09:10:35","modified_gmt":"2016-10-21T07:10:35","slug":"jasper-double-free-in-mem_close-jas_stream-c","status":"publish","type":"post","link":"https:\/\/blogs.gentoo.org\/ago\/2016\/10\/16\/jasper-double-free-in-mem_close-jas_stream-c\/","title":{"rendered":"jasper: double-free in mem_close (jas_stream.c)"},"content":{"rendered":"<p><strong>Description<\/strong>:<br \/>\n<a href=\"http:\/\/www.ece.uvic.ca\/~frodo\/jasper\/\">jasper<\/a> is an open-source initiative to provide a free software-based reference implementation of the codec specified in the JPEG-2000 Part-1 standard.<\/p>\n<p>A fuzzing revelaled a double-free in mem_close.<\/p>\n<p>Since jasper seems to be dead for years, I first posted this bug on oss-security. Since few days I noticed that the development is alive on github, I posted the bug to the maintainer which comes with a fast response\/fix.<\/p>\n<p>The complete ASan output:<\/p>\n<pre><font size=\"2\"># imginfo -f $FILE\r\nCorrupt JPEG data: 1 extraneous bytes before marker 0xc4                                                                                                                                       \r\n=================================================================                                                                                                                              \r\n==31536==ERROR: AddressSanitizer: attempting double-free on 0x619000003780 in thread T0:                                                                                                       \r\n    #0 0x4bfe10 in __interceptor_free \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1-r2\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/asan_malloc_linux.cc:38                                       \r\n    #1 0x7f15e7385450 in mem_close \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_stream.c:1079:3                                                                                          \r\n    #2 0x7f15e737ffcb in jas_stream_close \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_stream.c:466:2                                                                                    \r\n    #3 0x7f15e7353b71 in jas_image_cmpt_destroy \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:343:3                                                                               \r\n    #4 0x7f15e7353b71 in jas_image_cmpt_create \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:333                                                                                  \r\n    #5 0x7f15e7356977 in jas_image_addcmpt \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:677:18                                                                                   \r\n    #6 0x7f15e741bd7c in jpg_mkimage \/tmp\/jasper-version-1.900.4\/src\/libjasper\/jpg\/jpg_dec.c:247:7                                                                                             \r\n    #7 0x7f15e741bd7c in jpg_decode \/tmp\/jasper-version-1.900.4\/src\/libjasper\/jpg\/jpg_dec.c:171                                                                                                \r\n    #8 0x7f15e7354c8a in jas_image_decode \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:372:16                                                                                    \r\n    #9 0x4f11bd in main \/tmp\/jasper-version-1.900.4\/src\/appl\/imginfo.c:179:16                                                                                                                  \r\n    #10 0x7f15e646c61f in __libc_start_main \/var\/tmp\/portage\/sys-libs\/glibc-2.22-r4\/work\/glibc-2.22\/csu\/libc-start.c:289                                                                       \r\n    #11 0x418bc8 in _start (\/tmp\/jasper-version-1.900.4\/src\/appl\/.libs\/imginfo+0x418bc8)                                                                                                       \r\n                                                                                                                                                                                               \r\n0x619000003780 is located 0 bytes inside of 1024-byte region [0x619000003780,0x619000003b80)                                                                                                   \r\nfreed by thread T0 here:                                                                                                                                                                       \r\n    #0 0x4c0498 in realloc \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1-r2\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/asan_malloc_linux.cc:71                                                  \r\n    #1 0x7f15e7385048 in mem_resize \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_stream.c:995:14                                                                                         \r\n    #2 0x7f15e7385048 in mem_write \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_stream.c:1018                                                                                            \r\n    #3 0x7f15e73823a3 in jas_stream_flushbuf \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_stream.c:819:7                                                                                 \r\n    #4 0x7f15e7383e04 in jas_stream_flush \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_stream.c:749:9                                                                                    \r\n    #5 0x7f15e7383e04 in jas_stream_seek \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_stream.c:656                                                                                       \r\n    #6 0x7f15e7353b4a in jas_image_cmpt_create \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:332:4                                                                                \r\n    #7 0x7f15e7356977 in jas_image_addcmpt \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:677:18                                                                                   \r\n    #8 0x7f15e741bd7c in jpg_mkimage \/tmp\/jasper-version-1.900.4\/src\/libjasper\/jpg\/jpg_dec.c:247:7                                                                                             \r\n    #9 0x7f15e741bd7c in jpg_decode \/tmp\/jasper-version-1.900.4\/src\/libjasper\/jpg\/jpg_dec.c:171                                                                                                \r\n    #10 0x7f15e7354c8a in jas_image_decode \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:372:16                                                                                   \r\n    #11 0x4f11bd in main \/tmp\/jasper-version-1.900.4\/src\/appl\/imginfo.c:179:16\r\n    #12 0x7f15e646c61f in __libc_start_main \/var\/tmp\/portage\/sys-libs\/glibc-2.22-r4\/work\/glibc-2.22\/csu\/libc-start.c:289\r\n\r\npreviously allocated by thread T0 here:\r\n    #0 0x4c0118 in malloc \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1-r2\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/asan_malloc_linux.cc:52\r\n    #1 0x7f15e737fb4e in jas_stream_memopen \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_stream.c:215:15\r\n    #2 0x7f15e735397e in jas_image_cmpt_create \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:322:28\r\n    #3 0x7f15e7356977 in jas_image_addcmpt \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:677:18\r\n    #4 0x7f15e741bd7c in jpg_mkimage \/tmp\/jasper-version-1.900.4\/src\/libjasper\/jpg\/jpg_dec.c:247:7\r\n    #5 0x7f15e741bd7c in jpg_decode \/tmp\/jasper-version-1.900.4\/src\/libjasper\/jpg\/jpg_dec.c:171\r\n    #6 0x7f15e7354c8a in jas_image_decode \/tmp\/jasper-version-1.900.4\/src\/libjasper\/base\/jas_image.c:372:16\r\n    #7 0x4f11bd in main \/tmp\/jasper-version-1.900.4\/src\/appl\/imginfo.c:179:16\r\n    #8 0x7f15e646c61f in __libc_start_main \/var\/tmp\/portage\/sys-libs\/glibc-2.22-r4\/work\/glibc-2.22\/csu\/libc-start.c:289\r\n\r\nSUMMARY: AddressSanitizer: double-free \/var\/tmp\/portage\/sys-devel\/llvm-3.8.1-r2\/work\/llvm-3.8.1.src\/projects\/compiler-rt\/lib\/asan\/asan_malloc_linux.cc:38 in __interceptor_free\r\n==31536==ABORTING\r\n<\/font><\/pre>\n<p><strong>Affected version:<\/strong><br \/>\n1.900.1, 1.900.3 and 1.900.4<\/p>\n<p><strong>Fixed version:<\/strong><br \/>\n1.900.10<\/p>\n<p><strong>Commit fix:<\/strong><br \/>\n<a href=\"https:\/\/github.com\/mdadams\/jasper\/commit\/44a524e367597af58d6265ae2014468b334d0309\">https:\/\/github.com\/mdadams\/jasper\/commit\/44a524e367597af58d6265ae2014468b334d0309<\/a><\/p>\n<p><strong>Credit:<\/strong><br \/>\nThis bug was discovered by Agostino Sarubbo of Gentoo.<\/p>\n<p><strong>CVE:<\/strong><br \/>\nCVE-2016-8693<\/p>\n<p><strong>Timeline:<\/strong><br \/>\n2016-08-15: bug discovered<br \/>\n2016-08-23: requested a feedback on oss-security<br \/>\n2016-10-13: bug reported to upstream<br \/>\n2016-10-16: blog post about the issue<br \/>\n2016-10-16: CVE Assigned<br \/>\n2016-10-20: upstream released a patch<\/p>\n<p><strong>Note:<\/strong><br \/>\nThis bug was found with <a href=\"http:\/\/lcamtuf.coredump.cx\/afl\">American Fuzzy Lop<\/a>.<\/p>\n<p><strong>Permalink:<\/strong><\/p>\n<blockquote data-secret=\"sOHhVC2QS1\" class=\"wp-embedded-content\"><p><a href=\"http:\/\/blogs.gentoo.org\/ago\/2016\/10\/16\/jasper-double-free-in-mem_close-jas_stream-c\/\">jasper: double-free in mem_close (jas_stream.c)<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" src=\"http:\/\/blogs.gentoo.org\/ago\/2016\/10\/16\/jasper-double-free-in-mem_close-jas_stream-c\/embed\/#?secret=sOHhVC2QS1\" data-secret=\"sOHhVC2QS1\" width=\"600\" height=\"338\" title=\"&#8220;jasper: double-free in mem_close (jas_stream.c)&#8221; &#8212; agostino&#039;s blog\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Description: jasper is an open-source initiative to provide a free software-based reference implementation of the codec specified in the JPEG-2000 Part-1 standard. A fuzzing revelaled a double-free in mem_close. Since jasper seems to be dead for years, I first posted &hellip; <a href=\"https:\/\/blogs.gentoo.org\/ago\/2016\/10\/16\/jasper-double-free-in-mem_close-jas_stream-c\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":140,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[12,10],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2EaBc-bL","_links":{"self":[{"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/posts\/729"}],"collection":[{"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/users\/140"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/comments?post=729"}],"version-history":[{"count":4,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/posts\/729\/revisions"}],"predecessor-version":[{"id":788,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/posts\/729\/revisions\/788"}],"wp:attachment":[{"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/media?parent=729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/categories?post=729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.gentoo.org\/ago\/wp-json\/wp\/v2\/tags?post=729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}