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* gnu/packages/patches/procmail-CVE-2017-16844.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/mail.scm (procmail)[source]: Use it.
25 lines
817 B
Diff
25 lines
817 B
Diff
Fix CVE-2017-16844:
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16844
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https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=876511
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Patch copied from Debian procmail package 3.22-26:
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http://http.debian.net/debian/pool/main/p/procmail/procmail_3.22-26.debian.tar.xz
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From: Santiago Vila <sanvila@debian.org>
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Subject: Fix heap-based buffer overflow in loadbuf()
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Bug-Debian: http://bugs.debian.org/876511
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X-Debian-version: 3.22-26
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--- a/src/formisc.c
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+++ b/src/formisc.c
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@@ -103,7 +103,7 @@
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}
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/* append to buf */
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void loadbuf(text,len)const char*const text;const size_t len;
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-{ if(buffilled+len>buflen) /* buf can't hold the text */
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+{ while(buffilled+len>buflen) /* buf can't hold the text */
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buf=realloc(buf,buflen+=Bsize);
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tmemmove(buf+buffilled,text,len);buffilled+=len;
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}
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