CPython Integer Overflow in PyString_DecodeEscape() Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1039890 |
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SecurityTracker URL: http://securitytracker.com/id/1039890
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CVE Reference:
CVE-2017-1000158
(Links to External Site)
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Date: Nov 29 2017
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Impact:
Execution of arbitrary code via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.7; possibly other versions
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Description:
A vulnerability was reported in CPython. A remote user can cause arbitrary code to be executed on the target user's system.
A remote user can create a specially crafted Python source code file that, when loaded by the target user, will trigger an integer overflow in the PyString_DecodeEscape() function in 'stringobject.c' and execute arbitrary code on the target system.
Jay Bosamiya reported this vulnerability.
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Impact:
A remote user can create Python source code that, when loaded by the target user, will execute arbitrary code on the target user's system.
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Solution:
The vendor has issued a source code fix, available at:
https://github.com/python/cpython/commit/c3c9db89273fabc62ea1b48389d9a3000c1c03ae
The vendor advisory is available at:
https://bugs.python.org/issue30657
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Vendor URL: bugs.python.org/issue30657 (Links to External Site)
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Cause:
Boundary error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
None.
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Source Message Contents
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[Original Message Not Available for Viewing]
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