CVE-2018-6340 (GCVE-0-2018-6340)

Vulnerability from cvelistv5 – Published: 2018-12-31 22:00 – Updated: 2025-05-06 19:00
VLAI?
Summary
The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).
Severity ?
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-125 - Out-of-bounds Read (CWE-125)
Assigner
References
Impacted products
Vendor Product Version
Facebook HHVM Affected: 3.30.1
Affected: 3.30.0 , < unspecified (custom)
Affected: 3.27.5
Affected: unspecified , < 3.27.5 (custom)
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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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