From 4f3e02f198719c98a46aa3060fbd9bececa20f87 Mon Sep 17 00:00:00 2001 From: Efraim Flashner Date: Mon, 30 May 2016 11:46:12 +0300 Subject: gnu: t1lib: Fix CVE-2010-2642, CVE-2011-{0764, 1552, 1553, 1554}. * gnu/packages/fontutils.scm (t1lib)[source]: Add patches. * gnu/packages/patches/t1lib-CVE-2010-2642.patch, gnu/packages/patches/t1lib-CVE-2011-0764.patch, gnu/packages/patches/t1lib-CVE-2011-1552+CVE-2011-1553+CVE-2011-1554.patch: New variables. * gnu/local.mk (dist_patch_DATA): Add them. --- gnu/local.mk | 3 + gnu/packages/fontutils.scm | 6 +- gnu/packages/patches/t1lib-CVE-2010-2642.patch | 24 ++++ gnu/packages/patches/t1lib-CVE-2011-0764.patch | 32 +++++ ...CVE-2011-1552+CVE-2011-1553+CVE-2011-1554.patch | 133 +++++++++++++++++++++ 5 files changed, 197 insertions(+), 1 deletion(-) create mode 100644 gnu/packages/patches/t1lib-CVE-2010-2642.patch create mode 100644 gnu/packages/patches/t1lib-CVE-2011-0764.patch create mode 100644 gnu/packages/patches/t1lib-CVE-2011-1552+CVE-2011-1553+CVE-2011-1554.patch diff --git a/gnu/local.mk b/gnu/local.mk index 63ac668fc9..1f2c2dd24d 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -741,6 +741,9 @@ dist_patch_DATA = \ %D%/packages/patches/sudo-CVE-2015-5602.patch \ %D%/packages/patches/superlu-dist-scotchmetis.patch \ %D%/packages/patches/synfig-build-fix.patch \ + %D%/packages/patches/t1lib-CVE-2010-2642.patch \ + %D%/packages/patches/t1lib-CVE-2011-0764.patch \ + %D%/packages/patches/t1lib-CVE-2011-1552+CVE-2011-1553+CVE-2011-1554.patch \ %D%/packages/patches/tar-d_ino_in_dirent-fix.patch \ %D%/packages/patches/tar-skip-unreliable-tests.patch \ %D%/packages/patches/tcl-mkindex-deterministic.patch \ diff --git a/gnu/packages/fontutils.scm b/gnu/packages/fontutils.scm index 3847cfb8d7..73ce685d51 100644 --- a/gnu/packages/fontutils.scm +++ b/gnu/packages/fontutils.scm @@ -286,7 +286,11 @@ (define-public t1lib (string-append "https://fossies.org/linux/misc/old/" name "-" version ".tar.gz"))) (sha256 (base32 - "0nbvjpnmcznib1nlgg8xckrmsw3haa154byds2h90y2g0nsjh4w2")))) + "0nbvjpnmcznib1nlgg8xckrmsw3haa154byds2h90y2g0nsjh4w2")) + (patches (search-patches + "t1lib-CVE-2010-2642.patch" + "t1lib-CVE-2011-0764.patch" + "t1lib-CVE-2011-1552+CVE-2011-1553+CVE-2011-1554.patch")))) (build-system gnu-build-system) (arguments ;; Making the documentation requires latex, but t1lib is also an input diff --git a/gnu/packages/patches/t1lib-CVE-2010-2642.patch b/gnu/packages/patches/t1lib-CVE-2010-2642.patch new file mode 100644 index 0000000000..cd54889585 --- /dev/null +++ b/gnu/packages/patches/t1lib-CVE-2010-2642.patch @@ -0,0 +1,24 @@ +diff --git a/lib/t1lib/parseAFM.c b/lib/t1lib/parseAFM.c +index 6a31d7f..ba64541 100644 +--- a/lib/t1lib/parseAFM.c ++++ b/lib/t1lib/parseAFM.c +@@ -199,7 +199,9 @@ static char *token(stream) + idx = 0; + + while (ch != EOF && ch != ' ' && ch != CR && ch != LF && +- ch != CTRL_Z && ch != '\t' && ch != ':' && ch != ';'){ ++ ch != CTRL_Z && ch != '\t' && ch != ':' && ch != ';' ++ && idx < (MAX_NAME -1)) ++ { + ident[idx++] = ch; + ch = fgetc(stream); + } /* while */ +@@ -235,7 +237,7 @@ static char *linetoken(stream) + while ((ch = fgetc(stream)) == ' ' || ch == '\t' ); + + idx = 0; +- while (ch != EOF && ch != CR && ch != LF && ch != CTRL_Z) ++ while (ch != EOF && ch != CR && ch != LF && ch != CTRL_Z && idx < (MAX_NAME - 1)) + { + ident[idx++] = ch; + ch = fgetc(stream); diff --git a/gnu/packages/patches/t1lib-CVE-2011-0764.patch b/gnu/packages/patches/t1lib-CVE-2011-0764.patch new file mode 100644 index 0000000000..c2d9e173b7 --- /dev/null +++ b/gnu/packages/patches/t1lib-CVE-2011-0764.patch @@ -0,0 +1,32 @@ +Description: Don't lookup previous point if there isn't any +Author: Marc Deslauriers +Forwarded: no + +Index: t1lib-5.1.2/lib/type1/type1.c +=================================================================== +--- t1lib-5.1.2.orig/lib/type1/type1.c 2011-12-13 14:24:14.280965637 -0600 ++++ t1lib-5.1.2/lib/type1/type1.c 2011-12-13 14:25:25.893320747 -0600 +@@ -1700,6 +1700,7 @@ + long pindex = 0; + + /* compute hinting for previous segment! */ ++ if (ppoints == NULL) Error0i("RLineTo: No previous point!\n"); + FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx, dy); + + /* Allocate a new path point and pre-setup data */ +@@ -1728,6 +1729,7 @@ + long pindex = 0; + + /* compute hinting for previous point! */ ++ if (ppoints == NULL) Error0i("RRCurveTo: No previous point!\n"); + FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx1, dy1); + + /* Allocate three new path points and pre-setup data */ +@@ -1903,6 +1905,7 @@ + FindStems( currx, curry, 0, 0, dx, dy); + } + else { ++ if (ppoints == NULL) Error0i("RMoveTo: No previous point!\n"); + FindStems( currx, curry, ppoints[numppoints-2].x, ppoints[numppoints-2].y, dx, dy); + } + diff --git a/gnu/packages/patches/t1lib-CVE-2011-1552+CVE-2011-1553+CVE-2011-1554.patch b/gnu/packages/patches/t1lib-CVE-2011-1552+CVE-2011-1553+CVE-2011-1554.patch new file mode 100644 index 0000000000..aaa31f7b93 --- /dev/null +++ b/gnu/packages/patches/t1lib-CVE-2011-1552+CVE-2011-1553+CVE-2011-1554.patch @@ -0,0 +1,133 @@ +Author: Jaroslav Škarvada +Description: Fix more crashes on oversized fonts +Bug-Redhat: http://bugzilla.redhat.com/show_bug.cgi?id=692909 +Index: t1lib-5.1.2/lib/type1/lines.c +=================================================================== +--- t1lib-5.1.2.orig/lib/type1/lines.c 2007-12-23 09:49:42.000000000 -0600 ++++ t1lib-5.1.2/lib/type1/lines.c 2012-01-17 14:15:08.000000000 -0600 +@@ -67,6 +67,10 @@ + None. + */ + ++#define BITS (sizeof(LONG)*8) ++#define HIGHTEST(p) (((p)>>(BITS-2)) != 0) /* includes sign bit */ ++#define TOOBIG(xy) ((xy < 0) ? HIGHTEST(-xy) : HIGHTEST(xy)) ++ + /* + :h2.StepLine() - Produces Run Ends for a Line After Checks + +@@ -84,6 +88,9 @@ + IfTrace4((LineDebug > 0), ".....StepLine: (%d,%d) to (%d,%d)\n", + x1, y1, x2, y2); + ++ if ( TOOBIG(x1) || TOOBIG(x2) || TOOBIG(y1) || TOOBIG(y2)) ++ abort("Lines this big not supported", 49); ++ + dy = y2 - y1; + + /* +Index: t1lib-5.1.2/lib/type1/objects.c +=================================================================== +--- t1lib-5.1.2.orig/lib/type1/objects.c 2007-12-23 09:49:42.000000000 -0600 ++++ t1lib-5.1.2/lib/type1/objects.c 2012-01-17 14:15:08.000000000 -0600 +@@ -1137,12 +1137,13 @@ + "Context: out of them", /* 46 */ + "MatrixInvert: can't", /* 47 */ + "xiStub called", /* 48 */ +- "Illegal access type1 abort() message" /* 49 */ ++ "Lines this big not supported", /* 49 */ ++ "Illegal access type1 abort() message" /* 50 */ + }; + +- /* no is valid from 1 to 48 */ +- if ( (number<1)||(number>48)) +- number=49; ++ /* no is valid from 1 to 49 */ ++ if ( (number<1)||(number>49)) ++ number=50; + return( err_msgs[number-1]); + + } +Index: t1lib-5.1.2/lib/type1/type1.c +=================================================================== +--- t1lib-5.1.2.orig/lib/type1/type1.c 2012-01-17 14:13:28.000000000 -0600 ++++ t1lib-5.1.2/lib/type1/type1.c 2012-01-17 14:19:54.000000000 -0600 +@@ -1012,6 +1012,7 @@ + double nextdtana = 0.0; /* tangent of post-delta against horizontal line */ + double nextdtanb = 0.0; /* tangent of post-delta against vertical line */ + ++ if (ppoints == NULL || numppoints < 1) Error0v("FindStems: No previous point!\n"); + + /* setup default hinted position */ + ppoints[numppoints-1].ax = ppoints[numppoints-1].x; +@@ -1289,7 +1290,7 @@ + static int DoRead(CodeP) + int *CodeP; + { +- if (strindex >= CharStringP->len) return(FALSE); /* end of string */ ++ if (!CharStringP || strindex >= CharStringP->len) return(FALSE); /* end of string */ + /* We handle the non-documented Adobe convention to use lenIV=-1 to + suppress charstring encryption. */ + if (blues->lenIV==-1) { +@@ -1700,7 +1701,7 @@ + long pindex = 0; + + /* compute hinting for previous segment! */ +- if (ppoints == NULL) Error0i("RLineTo: No previous point!\n"); ++ if (ppoints == NULL || numppoints < 2) Error0i("RLineTo: No previous point!\n"); + FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx, dy); + + /* Allocate a new path point and pre-setup data */ +@@ -1729,7 +1730,7 @@ + long pindex = 0; + + /* compute hinting for previous point! */ +- if (ppoints == NULL) Error0i("RRCurveTo: No previous point!\n"); ++ if (ppoints == NULL || numppoints < 2) Error0i("RRCurveTo: No previous point!\n"); + FindStems( currx, curry, currx-ppoints[numppoints-2].x, curry-ppoints[numppoints-2].y, dx1, dy1); + + /* Allocate three new path points and pre-setup data */ +@@ -1788,7 +1789,9 @@ + long tmpind; + double deltax = 0.0; + double deltay = 0.0; +- ++ ++ if (ppoints == NULL || numppoints < 1) Error0i("DoClosePath: No previous point!"); ++ + /* If this ClosePath command together with the starting point of this + path completes to a segment aligned to a stem, we would miss + hinting for this point. --> Check and explicitly care for this! */ +@@ -1803,6 +1806,7 @@ + deltax = ppoints[i].x - ppoints[numppoints-1].x; + deltay = ppoints[i].y - ppoints[numppoints-1].y; + ++ if (ppoints == NULL || numppoints <= i + 1) Error0i("DoClosePath: No previous point!"); + /* save nummppoints and reset to move point */ + tmpind = numppoints; + numppoints = i + 1; +@@ -1905,7 +1909,7 @@ + FindStems( currx, curry, 0, 0, dx, dy); + } + else { +- if (ppoints == NULL) Error0i("RMoveTo: No previous point!\n"); ++ if (ppoints == NULL || numppoints < 2) Error0i("RMoveTo: No previous point!\n"); + FindStems( currx, curry, ppoints[numppoints-2].x, ppoints[numppoints-2].y, dx, dy); + } + +@@ -2155,6 +2159,7 @@ + DOUBLE cx, cy; + DOUBLE ex, ey; + ++ if (ppoints == NULL || numppoints < 8) Error0v("FlxProc: No previous point!"); + + /* Our PPOINT list now contains 7 moveto commands which + are about to be consumed by the Flex mechanism. --> Remove these +@@ -2324,6 +2329,7 @@ + /* Returns currentpoint on stack */ + static void FlxProc2() + { ++ if (ppoints == NULL || numppoints < 1) Error0v("FlxProc2: No previous point!"); + /* Push CurrentPoint on fake PostScript stack */ + PSFakePush( ppoints[numppoints-1].x); + PSFakePush( ppoints[numppoints-1].y); -- cgit v1.2.3