c39a54f431
* gnu/packages/patches/libtirpc-CVE-2017-8779.patch, gnu/packages/patches/rpcbind-CVE-2017-8779.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/onc-rpc.scm (rpcbind, libtirpc)[source]: Use them.
30 lines
859 B
Diff
30 lines
859 B
Diff
Fix CVE-2017-8779:
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https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8779
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Patch copied from the bug reporter's 3rd-party repository:
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https://github.com/guidovranken/rpcbomb/blob/master/rpcbind_patch.txt
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diff --git a/src/rpcb_svc_com.c b/src/rpcb_svc_com.c
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index 5862c26..e11f61b 100644
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--- a/src/rpcb_svc_com.c
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+++ b/src/rpcb_svc_com.c
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@@ -48,6 +48,7 @@
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#include <rpc/rpc.h>
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#include <rpc/rpcb_prot.h>
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#include <rpc/svc_dg.h>
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+#include <rpc/rpc_com.h>
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#include <netconfig.h>
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#include <errno.h>
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#include <syslog.h>
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@@ -432,7 +433,7 @@ rpcbproc_taddr2uaddr_com(void *arg, struct svc_req *rqstp /*__unused*/,
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static bool_t
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xdr_encap_parms(XDR *xdrs, struct encap_parms *epp)
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{
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- return (xdr_bytes(xdrs, &(epp->args), (u_int *) &(epp->arglen), ~0));
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+ return (xdr_bytes(xdrs, &(epp->args), (u_int *) &(epp->arglen), RPC_MAXDATASIZE));
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}
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/*
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