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| author | Efraim Flashner <efraim@flashner.co.il> | 2016-05-30 07:13:47 +0300 |
|---|---|---|
| committer | Efraim Flashner <efraim@flashner.co.il> | 2016-05-30 07:44:29 +0300 |
| commit | 6447e19108c69277ff2ead3fb084b04cd516e76a (patch) | |
| tree | ef961f68636b327021c6fbed034f29c0613b106b /gnu/packages/patches | |
| parent | ccda7c8317fcbcdf929d6f8a183d4dbd2f5c1391 (diff) | |
| download | guix-6447e19108c69277ff2ead3fb084b04cd516e76a.tar guix-6447e19108c69277ff2ead3fb084b04cd516e76a.tar.gz | |
gnu: a2ps: Fix CVE-2001-1593, CVE-2014-0466.
* gnu/packages/pretty-print.scm (a2ps)[source]: Add patches.
* gnu/packages/patches/a2ps-CVE-2001-1593.patch,
gnu/packages/patches/a2ps-CVE-2014-0466.patch: New variables.
* gnu/local.mk (dist_patch_DATA): Add them.
Diffstat (limited to 'gnu/packages/patches')
| -rw-r--r-- | gnu/packages/patches/a2ps-CVE-2001-1593.patch | 69 | ||||
| -rw-r--r-- | gnu/packages/patches/a2ps-CVE-2014-0466.patch | 30 |
2 files changed, 99 insertions, 0 deletions
diff --git a/gnu/packages/patches/a2ps-CVE-2001-1593.patch b/gnu/packages/patches/a2ps-CVE-2001-1593.patch new file mode 100644 index 0000000000..17b7e7d932 --- /dev/null +++ b/gnu/packages/patches/a2ps-CVE-2001-1593.patch @@ -0,0 +1,69 @@ +Index: b/lib/routines.c +=================================================================== +--- a/lib/routines.c ++++ b/lib/routines.c +@@ -242,3 +242,50 @@ + /* Don't complain if you can't unlink. Who cares of a tmp file? */ + unlink (filename); + } ++ ++/* ++ * Securely generate a temp file, and make sure it gets ++ * deleted upon exit. ++ */ ++static char ** tempfiles; ++static unsigned ntempfiles; ++ ++static void ++cleanup_tempfiles() ++{ ++ while (ntempfiles--) ++ unlink(tempfiles[ntempfiles]); ++} ++ ++char * ++safe_tempnam(const char *pfx) ++{ ++ char *dirname, *filename; ++ int fd; ++ ++ if (!(dirname = getenv("TMPDIR"))) ++ dirname = "/tmp"; ++ ++ tempfiles = (char **) realloc(tempfiles, ++ (ntempfiles+1) * sizeof(char *)); ++ if (tempfiles == NULL) ++ return NULL; ++ ++ filename = malloc(strlen(dirname) + strlen(pfx) + sizeof("/XXXXXX")); ++ if (!filename) ++ return NULL; ++ ++ sprintf(filename, "%s/%sXXXXXX", dirname, pfx); ++ ++ if ((fd = mkstemp(filename)) < 0) { ++ free(filename); ++ return NULL; ++ } ++ close(fd); ++ ++ if (ntempfiles == 0) ++ atexit(cleanup_tempfiles); ++ tempfiles[ntempfiles++] = filename; ++ ++ return filename; ++} +Index: b/lib/routines.h +=================================================================== +--- a/lib/routines.h ++++ b/lib/routines.h +@@ -255,7 +255,8 @@ + /* If _STR_ is not defined, give it a tempname in _TMPDIR_ */ + #define tempname_ensure(Str) \ + do { \ +- (Str) = (Str) ? (Str) : tempnam (NULL, "a2_"); \ ++ (Str) = (Str) ? (Str) : safe_tempnam("a2_"); \ + } while (0) ++char * safe_tempnam(const char *); + + #endif diff --git a/gnu/packages/patches/a2ps-CVE-2014-0466.patch b/gnu/packages/patches/a2ps-CVE-2014-0466.patch new file mode 100644 index 0000000000..85199e35b0 --- /dev/null +++ b/gnu/packages/patches/a2ps-CVE-2014-0466.patch @@ -0,0 +1,30 @@ +Description: CVE-2014-0466: fixps does not invoke gs with -dSAFER + A malicious PostScript file could delete files with the privileges of + the invoking user. +Origin: vendor +Bug-Debian: http://bugs.debian.org/742902 +Author: Salvatore Bonaccorso <carnil@debian.org> +Last-Update: 2014-03-28 + +--- a/contrib/fixps.in ++++ b/contrib/fixps.in +@@ -389,7 +389,7 @@ + eval "$command" ;; + gs) + $verbose "$program: making a full rewrite of the file ($gs)." >&2 +- $gs -q -dNOPAUSE -dBATCH -sDEVICE=pswrite -sOutputFile=- -c save pop -f $file ;; ++ $gs -q -dSAFER -dNOPAUSE -dBATCH -sDEVICE=pswrite -sOutputFile=- -c save pop -f $file ;; + esac + ) + fi +--- a/contrib/fixps.m4 ++++ b/contrib/fixps.m4 +@@ -307,7 +307,7 @@ + eval "$command" ;; + gs) + $verbose "$program: making a full rewrite of the file ($gs)." >&2 +- $gs -q -dNOPAUSE -dBATCH -sDEVICE=pswrite -sOutputFile=- -c save pop -f $file ;; ++ $gs -q -dSAFER -dNOPAUSE -dBATCH -sDEVICE=pswrite -sOutputFile=- -c save pop -f $file ;; + esac + ) + fi |