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CVE-2017-7493 (GCVE-0-2017-7493)

Vulnerability from cvelistv5 – Published: 2017-05-17 15:00 – Updated: 2024-08-05 16:04
VLAI
Summary
Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • Improper access control issue
Assigner
References
URL Tags
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/201706-03 vendor-advisoryx_refsource_GENTOO
http://www.securityfocus.com/bid/98574 vdb-entryx_refsource_BID
https://lists.gnu.org/archive/html/qemu-devel/201… mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1451709 x_refsource_CONFIRM
http://seclists.org/oss-sec/2017/q2/278 mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version CPE status
QEMU qemu Affected: 2.7.4
guessed Create a notification for this product.
Date Public
2017-05-16 00:00
Show details on NVD website
To clipboard 

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      "status": "interim",
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}



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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.


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