CVE-2013-1950
published 2013-07-09CVE-2013-1950: The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attackers to cause a denial of service (rpcbind crash) via a Sun RPC request with…
PriorityP427medium4.3CVSS 2.0
AVNACMAuNCNINAP
EXPLOIT
EPSS
6.46%
92.9th percentile
The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attackers to cause a denial of service (rpcbind crash) via a Sun RPC request with crafted arguments that trigger a free of an invalid pointer.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libtirpc | — | — |
| libtirpc_project | libtirpc | <= 0.2.3 | — |
| libtirpc_project | libtirpc | — | — |
| libtirpc_project | libtirpc | — | — |
| libtirpc_project | libtirpc | — | — |
| libtirpc_project | libtirpc | — | — |
| libtirpc_project | libtirpc | — | — |
| libtirpc_project | libtirpc | — | — |
| libtirpc_project | libtirpc | — | — |
CVSS provenance
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
vendor_debian4.3LOW
vendor_redhat4.3MEDIUM
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GHSA
GHSA-6g29-qg3g-jfjm: The svc_dg_getargs function in libtirpc 0
ghsa_unreviewed·2022-05-17
CVE-2013-1950 [MEDIUM] GHSA-6g29-qg3g-jfjm: The svc_dg_getargs function in libtirpc 0
The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attackers to cause a denial of service (rpcbind crash) via a Sun RPC request with crafted arguments that trigger a free of an invalid pointer.
Red Hat
libtirpc: invalid pointer free leads to rpcbind daemon crash
vendor_redhat·2013-04-18·CVSS 4.3
CVE-2013-1950 [MEDIUM] libtirpc: invalid pointer free leads to rpcbind daemon crash
libtirpc: invalid pointer free leads to rpcbind daemon crash
The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attackers to cause a denial of service (rpcbind crash) via a Sun RPC request with crafted arguments that trigger a free of an invalid pointer.
Package: portmap (Red Hat Enterprise Linux 5) - Not affected
Debian
CVE-2013-1950: libtirpc - The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attacker...
vendor_debian·2013·CVSS 4.3
CVE-2013-1950 [MEDIUM] CVE-2013-1950: libtirpc - The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attacker...
The svc_dg_getargs function in libtirpc 0.2.3 and earlier allows remote attackers to cause a denial of service (rpcbind crash) via a Sun RPC request with crafted arguments that trigger a free of an invalid pointer.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resolved
No detection rules found.
Bugzilla
rpcbind exploit made public for 0.2.0-19 - push 0.2.0-20 to fc 17 stable
bugzilla·2013-07-17
[CRITICAL] rpcbind exploit made public for 0.2.0-19 - push 0.2.0-20 to fc 17 stable
rpcbind exploit made public for 0.2.0-19 - push 0.2.0-20 to fc 17 stable
#!/usr/bin/ruby
#
# rpcbind_udp_crash_poc.rb
# 07/15/2013
# Sean Verity
# CVE 2013-1950
#
# rpcbind (CALLIT Procedure) UDP Crash PoC
# Affected Software Package: rpcbind-0.2.0-19
#
# Tested on:
# Fedora 17 (3.9.8-100.fc17.x86_64 #1 SMP)
# CentOS 6.3 Final (2.6.32-279.22.1.el6.x86_64 #1 SMP)
#
# rpcbind can be crashed by setting the argument length
# value > 8944 in an RPC CALLIT procedure request over UDP.
#
require 'socket'
def usage
abort "\nusage: ./rpcbind_udp_crash_poc.rb \n\n"
end
if ARGV.length == 1
pkt = [rand(2**32)].pack('N') # XID
pkt << [0].pack('N') # Message Type: CALL (0)
pkt << [2].pack('N') # RPC Version: 2
pkt << [100000].pack('N') # Program: Portmap (100000)
pkt << [2].pack('N') # Program Versio
Bugzilla
CVE-2013-1950 libtirpc: invalid pointer free leads to crash [fedora-all]
bugzilla·2013-04-22·CVSS 4.3
CVE-2013-1950 [MEDIUM] CVE-2013-1950 libtirpc: invalid pointer free leads to crash [fedora-all]
CVE-2013-1950 libtirpc: invalid pointer free leads to crash [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When creating a Bodhi update request, please use the bodhi submission link
noted in the next comment(s). This will include the bug IDs of this
tracking bug as well as the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
Bodhi notes field when available.
Please note: this issue affects
Bugzilla
CVE-2013-1950 libtirpc: invalid pointer free leads to crash [fedora-all]
bugzilla·2013-04-22·CVSS 4.3
CVE-2013-1950 [MEDIUM] CVE-2013-1950 libtirpc: invalid pointer free leads to crash [fedora-all]
CVE-2013-1950 libtirpc: invalid pointer free leads to crash [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When creating a Bodhi update request, please use the bodhi submission link
noted in the next comment(s). This will include the bug IDs of this
tracking bug as well as the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
Bodhi notes field when available.
Please note: this issue affects
Bugzilla
CVE-2013-1950 libtirpc: invalid pointer free leads to rpcbind daemon crash
bugzilla·2013-04-04·CVSS 4.3
CVE-2013-1950 [MEDIUM] CVE-2013-1950 libtirpc: invalid pointer free leads to rpcbind daemon crash
CVE-2013-1950 libtirpc: invalid pointer free leads to rpcbind daemon crash
The Nessus plugin for Sun RPC XDR xdrmem_getbytes Function Remote Overflow [1] causes rpcbind to crash due to freeing an invalid pointer.
*** glibc detected *** /sbin/rpcbind: free(): invalid pointer: 0xbf7f494c ***
poll returned read fds
======= Backtrace: =========
/lib/libc.so.6(-0xff84c1cf)[0x240e31]
/lib/libtirpc.so.1(xdr_bytes+0x9f)[0xb3ca9f]
/sbin/rpcbind(+0x5714)[0x631714]
/lib/libtirpc.so.1(+0x14ea4)[0xb36ea4]
/lib/libtirpc.so.1(+0x14e6e)[0xb36e6e]
/sbin/rpcbind(+0x591e)[0x63191e]
/sbin/rpcbind(pmap_service+0x174)[0x6344e4]
/lib/libtirpc.so.1(svc_getreq_common+0x2ae)[0xb3600e]
/lib/libtirpc.so.1(svc_getreq_poll+0x8f)[0xb360bf]
/sbin/rpcbind(+0x509b)[0x63109b]
/sbin/rpcbind(main+0x4dc)[0x62fd3c]
/lib/libc.
http://git.infradead.org/users/steved/libtirpc.git/commitdiff/a9f437119d79a438cb12e510f3cadd4060102c9fhttp://rhn.redhat.com/errata/RHSA-2013-0884.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=948378http://git.infradead.org/users/steved/libtirpc.git/commitdiff/a9f437119d79a438cb12e510f3cadd4060102c9fhttp://rhn.redhat.com/errata/RHSA-2013-0884.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=948378
2013-07-09
Published