32 lines
1.3 KiB
Diff
32 lines
1.3 KiB
Diff
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Fix CVE-2011-4516 and CVE-2011-4517 (heap buffer overflow flaws lead to
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arbitrary code execution).
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Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/rpms/jasper.git/tree/jasper-1.900.1-CVE-2011-4516-CVE-2011-4517-CERT-VU-887409.patch
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https://bugzilla.redhat.com/show_bug.cgi?id=747726
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diff -up jasper-1.900.1/src/libjasper/jpc/jpc_cs.c.CERT-VU-887409 jasper-1.900.1/src/libjasper/jpc/jpc_cs.c
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--- jasper-1.900.1/src/libjasper/jpc/jpc_cs.c.CERT-VU-887409 2011-10-25 17:25:39.000000000 +0200
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+++ jasper-1.900.1/src/libjasper/jpc/jpc_cs.c 2011-10-25 17:29:14.379371908 +0200
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@@ -744,6 +744,10 @@ static int jpc_cox_getcompparms(jpc_ms_t
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return -1;
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}
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compparms->numrlvls = compparms->numdlvls + 1;
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+ if (compparms->numrlvls > JPC_MAXRLVLS) {
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+ jpc_cox_destroycompparms(compparms);
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+ return -1;
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+ }
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if (prtflag) {
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for (i = 0; i < compparms->numrlvls; ++i) {
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if (jpc_getuint8(in, &tmp)) {
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@@ -1331,7 +1335,7 @@ static int jpc_crg_getparms(jpc_ms_t *ms
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jpc_crgcomp_t *comp;
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uint_fast16_t compno;
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crg->numcomps = cstate->numcomps;
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- if (!(crg->comps = jas_alloc2(cstate->numcomps, sizeof(uint_fast16_t)))) {
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+ if (!(crg->comps = jas_alloc2(cstate->numcomps, sizeof(jpc_crgcomp_t)))) {
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return -1;
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}
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for (compno = 0, comp = crg->comps; compno < cstate->numcomps;
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