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Test ID:1.3.6.1.4.1.25623.1.0.118179
Category:General
Title:Python < 3.6.13, 3.7.x < 3.7.10, 3.8.x < 3.8.8, 3.9.x < 3.9.2 Python Issue (bpo-42938) - Mac OS X
Summary:Python is prone to a buffer overflow vulnerability in; 'PyCArg_repr'.
Description:Summary:
Python is prone to a buffer overflow vulnerability in
'PyCArg_repr'.

Vulnerability Insight:
A buffer overflow in 'PyCArg_repr' in '_ctypes/callproc.c'
exists, which may lead to remote code execution in certain Python applications that accept
floating-point numbers as untrusted input, as demonstrated by a '1e300' argument to
'c_double.from_param'. This occurs because sprintf is used unsafely.

Affected Software/OS:
Python prior to version 3.6.13, versions 3.7.x prior to
3.7.10, 3.8.x prior to 3.8.8 and 3.9.x prior to 3.9.2.

Solution:
Update to version 3.6.13, 3.7.10, 3.8.8, 3.9.2 or later.

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-3177
https://security.netapp.com/advisory/ntap-20210226-0003/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NXSMBHES3ANXXS2RSO5G6Q24BR4B2PWK/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y4KSYYWMGAKOA2JVCQA422OINT6CKQ7O/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MP572OLHMS7MZO4KUPSCIMSZIA5IZZ62/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BRHOCQYX3QLDGDQGTWQAUUT2GGIZCZUO/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YDTZVGSXQ7HR7OCGSUHTRNTMBG43OMKU/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HCQTCSP6SCVIYNIRUJC5X7YBVUHPLSC4/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V6XJAULOS5JVB2L67NCKKMJ5NTKZJBSD/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FONHJIOZOFD7CD35KZL6SVBUTMBPGZGA/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NQPARTLNSFQVMMQHPNBFOCOZOO3TMQNA/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CCFZMVRQUKCBQIG5F2CBVADK63NFSE4A/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FPE7SMXYUIWPOIZV4DQYXODRXMFX3C5E/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7GZV74KM72O2PEJN2C4XP3V5Q5MZUOO/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NODWHDIFBQE5RU5PUWUVE47JOT5VCMJ2/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MGSV6BJQLRQ6RKVUXK7JGU7TP4QFGQXC/
https://security.gentoo.org/glsa/202101-18
https://bugs.python.org/issue42938
https://github.com/python/cpython/pull/24239
https://news.ycombinator.com/item?id=26185005
https://python-security.readthedocs.io/vuln/ctypes-buffer-overflow-pycarg_repr.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://lists.debian.org/debian-lts-announce/2021/04/msg00005.html
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772@%3Cdev.mina.apache.org%3E
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