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CVE-2015-2942

UnknownEPSS 2.83%

Last modified

CVE-2015-2942 is a vulnerability of currently unknown severity. MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.. EPSS estimates a 2.83% chance of exploitation in the next 30 days.

Description

MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.

Metrics

EPSS Probability
2.83%

84.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MediawikiMediawiki<= 1.19.23
MediawikiMediawiki1.20
MediawikiMediawiki1.20.1
MediawikiMediawiki1.20.2
MediawikiMediawiki1.20.3
MediawikiMediawiki1.20.4
MediawikiMediawiki1.20.5
MediawikiMediawiki1.20.6
MediawikiMediawiki1.20.7
MediawikiMediawiki1.20.8
MediawikiMediawiki1.21
MediawikiMediawiki1.21.1
MediawikiMediawiki1.21.2
MediawikiMediawiki1.21.3
MediawikiMediawiki1.21.4
MediawikiMediawiki1.21.5
MediawikiMediawiki1.21.6
MediawikiMediawiki1.21.7
MediawikiMediawiki1.21.8
MediawikiMediawiki1.21.9
MediawikiMediawiki1.21.10
MediawikiMediawiki1.21.11
MediawikiMediawiki1.22.0
MediawikiMediawiki1.22.1
MediawikiMediawiki1.22.2
MediawikiMediawiki1.22.3
MediawikiMediawiki1.22.4
MediawikiMediawiki1.22.5
MediawikiMediawiki1.22.6
MediawikiMediawiki1.22.7
MediawikiMediawiki1.22.8
MediawikiMediawiki1.22.9
MediawikiMediawiki1.22.10
MediawikiMediawiki1.22.11
MediawikiMediawiki1.22.12
MediawikiMediawiki1.22.13
MediawikiMediawiki1.22.14
MediawikiMediawiki1.22.15
MediawikiMediawiki1.23.0
MediawikiMediawiki1.23.1
MediawikiMediawiki1.23.2
MediawikiMediawiki1.23.3
MediawikiMediawiki1.23.4
MediawikiMediawiki1.23.5
MediawikiMediawiki1.23.6
MediawikiMediawiki1.23.7
MediawikiMediawiki1.23.8
MediawikiMediawiki1.24.0
MediawikiMediawiki1.24.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-2942?
MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.
How severe is CVE-2015-2942?
Severity scoring for CVE-2015-2942 is pending analysis. The EPSS model estimates a 2.83% probability of exploitation in the next 30 days.
How do I fix CVE-2015-2942?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-2942?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST