Blame SOURCES/unzip-6.0-cve-2018-1000035-heap-based-overflow.patch
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--- a/fileio.c 2014-12-05 05:06:05 -0600
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+++ b/fileio.c 2017-11-14 01:06:28 -0600
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@@ -1,5 +1,5 @@
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/*
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- Copyright (c) 1990-2009 Info-ZIP. All rights reserved.
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+ Copyright (c) 1990-2017 Info-ZIP. All rights reserved.
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See the accompanying file LICENSE, version 2009-Jan-02 or later
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(the contents of which are also included in unzip.h) for terms of use.
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@@ -1582,6 +1582,8 @@
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int r = IZ_PW_ENTERED;
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char *m;
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char *prompt;
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+ char *ep;
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+ char *zp;
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#ifndef REENTRANT
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/* tell picky compilers to shut up about "unused variable" warnings */
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@@ -1590,9 +1592,12 @@
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if (*rcnt == 0) { /* First call for current entry */
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*rcnt = 2;
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- if ((prompt = (char *)malloc(2*FILNAMSIZ + 15)) != (char *)NULL) {
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- sprintf(prompt, LoadFarString(PasswPrompt),
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- FnFilter1(zfn), FnFilter2(efn));
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+ zp = FnFilter1( zfn);
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+ ep = FnFilter2( efn);
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+ prompt = (char *)malloc( /* Slightly too long (2* "%s"). */
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+ sizeof( PasswPrompt)+ strlen( zp)+ strlen( ep));
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+ if (prompt != (char *)NULL) {
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+ sprintf(prompt, LoadFarString(PasswPrompt), zp, ep);
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m = prompt;
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} else
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m = (char *)LoadFarString(PasswPrompt2);
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