guix-devel/gnu/packages/patches/procmail-CVE-2014-3618.patch

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Fixes CVE-2014-3618 (heap overflow in formisc.c allowing denial of
service and potential remote execution of arbitrary code).
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3618
Source:
http://seclists.org/oss-sec/2014/q3/495
Adopted by Debian as patch '27':
https://sources.debian.net/src/procmail/3.22-25/debian/patches/27/
--- a/src/formisc.c
+++ b/src/formisc.c
@@ -84,12 +84,11 @@
case '"':*target++=delim='"';start++;
}
;{ int i;
- do
+ while(*start)
if((i= *target++= *start++)==delim) /* corresponding delimiter? */
break;
else if(i=='\\'&&*start) /* skip quoted character */
*target++= *start++;
- while(*start); /* anything? */
}
hitspc=2;
}