CVE-2018-14647 (GCVE-0-2018-14647)

Vulnerability from cvelistv5 – Published: 2018-09-25 00:00 – Updated: 2024-08-05 09:38
VLAI
Summary
Python's elementtree C accelerator failed to initialise Expat's hash salt during initialization. This could make it easy to conduct denial of service attacks against Expat by constructing an XML document that would cause pathological hash collisions in Expat's internal data structures, consuming large amounts CPU and RAM. The vulnerability exists in Python versions 3.7.0, 3.6.0 through 3.6.6, 3.5.0 through 3.5.6, 3.4.0 through 3.4.9, 2.7.0 through 2.7.15.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
Assigner
References
URL Tags
https://www.debian.org/security/2018/dsa-4306 vendor-advisoryx_refsource_DEBIAN
https://usn.ubuntu.com/3817-2/ vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1041740 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/105396 vdb-entryx_refsource_BID
https://www.debian.org/security/2018/dsa-4307 vendor-advisoryx_refsource_DEBIAN
https://bugs.python.org/issue34623 x_refsource_MISC
https://usn.ubuntu.com/3817-1/ vendor-advisoryx_refsource_UBUNTU
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://access.redhat.com/errata/RHSA-2019:1260 vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2019:2030 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3725 vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://lists.apache.org/thread.html/r1b103833cb5… mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version
The Python Project Python Affected: 3.8, 3.7, 3.6, 3.5, 3.4, 2.7
Create a notification for this product.
Date Public
2018-09-21 00:00
Show details on NVD website
To clipboard 

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      "id": "CVE-2018-14647",
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  }
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.