Gerald (Jerry) Carter
2007-May-14 14:01 UTC
[Samba] [SAMBA-SECURITY] CVE-2007-2446: Multiple Heap Overflows Allow Remote Code Execution
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ============================================================ Subject: Multiple Heap Overflows Allow Remote == Code Execution == CVE ID#: CVE-2007-2446 === Versions: Samba 3.0.0 - 3.0.25rc3 (inclusive) === Summary: Various bugs in Samba's NDR parsing == can allow a user to send specially == crafted MS-RPC requests that will == overwrite the heap space with user == defined data. ========================================================== ==========Description ========== Various bugs in Samba's NDR parsing can allow a user to send specially crafted MS-RPC requests that will overwrite the heap space with user defined data. =================Patch Availability ================= A patch against Samba 3.0.24 has been posted at http://www.samba.org/samba/security/ =========Workaround ========= There is no immediate workaround for this defect that does not involve changing the server code in the smbd daemon. The Samba Team always encourages users to run the latest stable release as a defense against attacks. If this is not immediately possible, administrators should read the "Server Security" documentation found at http://www.samba.org/samba/docs/server_security.html ======Credits ====== This vulnerability was reported to Samba developers by Brian Schafer, TippingPoint Security Response Lead, as part of the Zero Day Initiative (http://www.zerodayinitiative.com). The time line is as follows: * April 25, 2007: Four individual defects reported to the security@samba.org email alias. * April 25, 2007: Initial developer response by Samba developer Volker Lendecke. * April 28, 2007: Patches for four defects released by Samba developer Jeremy Allison to ZDI for testing. * May 3, 2007: Fixed confirmed by original reporter. * May 5, 2007: Fifth defect reported to security@samba.org. * May 5, 2007: Patches for fifth defects released to ZDI for testing by Samba developer Jeremy Allison. * May 10, Announcement to vendor-sec mailing list * May 14, 2007: Public announcement of the security issue. =========================================================== Our Code, Our Bugs, Our Responsibility. == The Samba Team ========================================================= -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGSGSzIR7qMdg1EfYRAnGjAKC/v8xzQWm6vlG1IvD2lhdgeZsbmACeNeSj 8rfmvQ3SFf2I4ef4FPjST1I=9DAl -----END PGP SIGNATURE-----
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