CyberSecBulletin
CVE-2022-28226NVD status: Modified

Yandex Browser (Desktop): Exposure of Resource to Wrong Sphere

CVE-2022-28226 is a high-severity exposure of resource to wrong sphere vulnerability in Yandex Browser (Desktop), with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected Yandex Browser (Desktop) versions: All versions prior to version 22.3.3.801. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.38% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Yandex Browser to 22.3.3.801 or a later version.
  2. Read the advisory on yandex.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Yandex Browser (Desktop)Yandex Browser (Desktop)All versions prior to version 22.3.3.801Not stated
YandexYandex Browserbefore 22.3.3.80122.3.3.801

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.8HighNVD
CVSS 2.07.2HighNVD

Official description

Local privilege vulnerability in Yandex Browser for Windows prior to 22.3.3.801 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating temporary files in directory with insecure permissions during Yandex Browser update process.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Exposure of Resource to Wrong Sphere

The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.

More Exposure of Resource to Wrong Sphere vulnerabilities (CWE-668)

Timeline

  1. CVE record published.
  2. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Yandex Browser (Desktop)

All Yandex Browser (Desktop) vulnerabilities

Recent Exposure of Resource to Wrong Sphere vulnerabilities

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