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openSUSE:Backports:SLE-15-SP4:FactoryCandidates
tftp
tftp-hpa-0.49-fortify-strcpy-crash.patch
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File tftp-hpa-0.49-fortify-strcpy-crash.patch of Package tftp
Index: tftp-hpa-git-0.48/tftp/tftp.c =================================================================== --- tftp-hpa-git-0.48.orig/tftp/tftp.c 2008-07-31 12:46:57.000000000 +0200 +++ tftp-hpa-git-0.48/tftp/tftp.c 2010-06-29 12:14:48.000000000 +0200 @@ -279,15 +279,16 @@ makerequest(int request, const char *nam struct tftphdr *tp, const char *mode) { char *cp; + size_t len; tp->th_opcode = htons((u_short) request); cp = (char *)&(tp->th_stuff); - strcpy(cp, name); - cp += strlen(name); - *cp++ = '\0'; - strcpy(cp, mode); - cp += strlen(mode); - *cp++ = '\0'; + len = strlen(name) + 1; + memcpy(cp, name, len); + cp += len; + len = strlen(mode) + 1; + memcpy(cp, mode, len); + cp += len; return (cp - (char *)tp); }
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