Integer Overflow or Wraparound Affecting python3.5 package, versions <3.5.2-2ubuntu0~16.04.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UBUNTU1604-PYTHON35-304684
- published2 Sept 2016
- disclosed2 Sept 2016
Introduced: 2 Sep 2016
CVE-2016-5636 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 python3.5 to version 3.5.2-2ubuntu0~16.04.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python3.5 package and not the python3.5 package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
Integer overflow in the get_data function in zipimport.c in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 allows remote attackers to have unspecified impact via a negative data size value, which triggers a heap-based buffer overflow.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-5636
- https://bugs.python.org/issue26171
- https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5
- https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2
- https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS
- http://www.splunk.com/view/SP-CAAAPSV
- http://www.splunk.com/view/SP-CAAAPUE
- https://lists.debian.org/debian-lts-announce/2019/02/msg00011.html
- https://security-tracker.debian.org/tracker/CVE-2016-5636
- https://security.gentoo.org/glsa/201701-18
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.openwall.com/lists/oss-security/2016/06/15/15
- http://www.openwall.com/lists/oss-security/2016/06/16/1
- http://rhn.redhat.com/errata/RHSA-2016-2586.html
- http://www.securityfocus.com/bid/91247
- http://www.securitytracker.com/id/1038138
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html