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blob dba88ac090b5ae271638b3d35f932c47cea011a1 799 bytes (raw)
name: gnu/packages/patches/jasper-stepsizes-overflow.patch 	 # note: path name is non-authoritative(*)

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This patch is required for jasper-CVE-2008-3520.patch

Copied from Fedora.

http://pkgs.fedoraproject.org/cgit/rpms/jasper.git/tree/patch-libjasper-stepsizes-overflow.diff

--- jasper-1.900.1.orig/src/libjasper/jpc/jpc_cs.c	2007-01-19 22:43:07.000000000 +0100
+++ jasper-1.900.1/src/libjasper/jpc/jpc_cs.c	2007-04-06 01:29:02.000000000 +0200
@@ -982,7 +982,10 @@ static int jpc_qcx_getcompparms(jpc_qcxc
 		compparms->numstepsizes = (len - n) / 2;
 		break;
 	}
-	if (compparms->numstepsizes > 0) {
+	if (compparms->numstepsizes > 3 * JPC_MAXRLVLS + 1) {
+		jpc_qcx_destroycompparms(compparms);
+                return -1;
+        } else if (compparms->numstepsizes > 0) {
 		compparms->stepsizes = jas_malloc(compparms->numstepsizes *
 		  sizeof(uint_fast16_t));
 		assert(compparms->stepsizes);

debug log:

solving dba88ac ...
found dba88ac in https://yhetil.org/guix-devel/b1e335e2f204dd2e959c22d2064dc18611f61b46.1454188449.git.leo@famulari.name/

applying [1/1] https://yhetil.org/guix-devel/b1e335e2f204dd2e959c22d2064dc18611f61b46.1454188449.git.leo@famulari.name/
diff --git a/gnu/packages/patches/jasper-stepsizes-overflow.patch b/gnu/packages/patches/jasper-stepsizes-overflow.patch
new file mode 100644
index 0000000..dba88ac

1:16: space before tab in indent.
 		compparms->numstepsizes = (len - n) / 2;
1:17: space before tab in indent.
 		break;
1:18: space before tab in indent.
 	}
1:24: space before tab in indent.
 		compparms->stepsizes = jas_malloc(compparms->numstepsizes *
1:25: space before tab in indent.
 		  sizeof(uint_fast16_t));
Checking patch gnu/packages/patches/jasper-stepsizes-overflow.patch...
Applied patch gnu/packages/patches/jasper-stepsizes-overflow.patch cleanly.
warning: squelched 1 whitespace error
warning: 6 lines add whitespace errors.

index at:
100644 dba88ac090b5ae271638b3d35f932c47cea011a1	gnu/packages/patches/jasper-stepsizes-overflow.patch

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    Blobs themselves have no identifier aside from the hash of its contents.^

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