Python SimpleXMLRPCServer module Security Vulnerability

Information provision:	Provide hotline: 51cto.editor@gmail.com
Vulnerability category:	Design Error
Attack type:	Embed malicious code
Release date:
Updated on:
Affected Systems:	Ubuntu 4.10 Python/python 2.3 Python/python 2.2
Security system:	None
Vulnerability Reporter:	Martin Pitt martin.pitt@canonical.com)
Vulnerability description:	CVE (CAN) ID: CAN-2005-0089 Python is a powerful open-source scripting language. Python SimpleXMLRPCServer module has a defect. Remote attackers can exploit this vulnerability to access and change the function. The Python XML-RPC Service uses the register_instance () method to register an object and does not use the _ dispatch () method, allowing remote users to access or change the function using the im _ * And func _ * attributes. If the registered object is an OS module, attackers can call the OS. system () function to execute arbitrary commands.
Test method:	None
Solution:	Vendor patch: Ubuntu ------ The vendor has released a patch to fix this security problem. Please download it from the vendor's homepage: Http://security.ubuntu.com/ubuntu/pool/main/p/python2.2/python2.2_2.2.3-10ubuntu0.1.diff.gz Size/MD5: 1927781 2df9c99747532348619bbb8d8d5f3996 Http://security.ubuntu.com/ubuntu/pool/main/p/python2.2/python2.2_2.2.3-10ubuntu0.1.dsc Size/MD5: 1184 3e1c5d029c99987852bad718712dcf76 Http://security.ubuntu.com/ubuntu/pool/main/p/python2.2/python2.2_2.2.3.orig.tar.gz Size/MD5: 6711816 c23fbe6a0cdf800734f5813b9f7cb1d0 Http://security.ubuntu.com/ubuntu/pool/main/p/python2.3/python2.3_2.3.4-2ubuntu0.1.diff.gz Size/MD5: 2284380 04304bcdf030e24976fa4f846b754aa8 Http://security.ubuntu.com/ubuntu/pool/main/p/python2.3/python2.3_2.3.4-2ubuntu0.1.dsc Size/MD5: 1141 28c897b1a2c44ee9eb72cc30177f8697 Http://security.ubuntu.com/ubuntu/pool/main/p/python2.3/python2.3_2.3.4.orig.tar.gz Size/MD5: 8502596 d68a6a490c04b2c8f664ba4f2192e2fb Architecture independent packages: Http://security.ubuntu.com/ubuntu/pool/universe/p/python2.2/idle-python2.2_2.2.3-10ubuntu0.1_all.deb Size/MD5: 116018 b4ab3787a4c6b4025a9ae70393990b45 Http://security.ubuntu.com/ubuntu/pool/universe/p/python2.3/idle-python2.3_2.3.4-2ubuntu0.1_all.deb Size/MD5: 228350 07375ecb2762227776cd700429d8531c Http://security.ubuntu.com/ubuntu/pool/universe/p/python2.2/python2.2-doc_2.2.3-10ubuntu0.1_all.deb Size/MD5: 2268242 a572cf6409ca4a82721952ae7d36529d Http://security.ubuntu.com/ubuntu/pool/universe/p/python2.2/python2.2-examples_2.2.3-10ubuntu0.1_all.deb Size/MD5: 479006 cdf96d86449bdbd72ef25e5830a9a8fe Http://security.ubuntu.com/ubuntu/pool/main/p/python2.3/python2.3-doc_2.3.4-2ubuntu0.1_all.deb Size/MD5: 2816894 91930347a10bb529d3cba16312457d76 Http://security.ubuntu.com/ubuntu/pool/main/p/python2.3/python2.3-examples_2.3.4-2ubuntu0.1_all.deb Size/MD5: 507732 2daf5ccaec4f6b967223b09b15f85197 Amd64 architecture (Athlon64, Opteron, EM64T Xeon) 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Size/MD5: 1747592 a9c0dd251682fb7101ebfcad03d1d114 Http://security.ubuntu.com/ubuntu/pool/main/p/python2.3/python2.3-gdbm_2.3.4-2ubuntu0.1_amd64.deb Size/MD5: 22300 5cc5444cf4c6361e7f2bb7970a53dad2 Http://security.ubuntu.com/ubuntu/pool/main/p/python2.3/python2.3-mpz_2.3.4-2ubuntu0.1_amd64.deb Size/MD5: 27138 f362a0c22d0ebeb4f82910ce8fad2206 Http://security.ubuntu.com/ubuntu/pool/main/p/python2.3/python2.3-tk_2.3.4-2ubuntu0.1_amd64.deb Size/MD5: 104686 ce82ad1e4225e88a9d442e86e3df1cbd Http://security.ubuntu.com/ubuntu/pool/main/p/python2.3/python2.3_2.3.4-2ubuntu0.1_amd64.deb Size/MD5: 2868960 2eb165d9c2654606c26cf2f8e195b638 I386 architecture (x86 compatible Intel/AMD) Http://security.ubuntu.com/ubuntu/pool/main/p/python2.2/python2.2-dev_2.2.3-10ubuntu0.1_i386.deb Size/MD5: 1272072 875cdbb06f99e8a47e3c101e15663c8a Http://security.ubuntu.com/ubuntu/pool/universe/p/python2.2/python2.2-gdbm_2.2.3-10ubuntu0.1_i386.deb Size/MD5: 19798 d77efa2115ebe5865ea364851469a829 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