Improper Input Validation Affecting bluez-gstreamer package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.09% (41st percentile)

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  • Snyk ID SNYK-RHEL6-BLUEZGSTREAMER-1932759
  • published 30 Nov 2021
  • disclosed 25 Feb 2019

How to fix?

There is no fixed version for RHEL:6 bluez-gstreamer.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bluez-gstreamer package and not the bluez-gstreamer package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

An issue was discovered in bluetoothd in BlueZ through 5.48. The vulnerability lies in the handling of a SVC_ATTR_REQ by the SDP implementation. By crafting a malicious CSTATE, it is possible to trick the server into returning more bytes than the buffer actually holds, resulting in leaking arbitrary heap data. The root cause can be found in the function service_attr_req of sdpd-request.c. The server does not check whether the CSTATE data is the same in consecutive requests, and instead simply trusts that it is the same.

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

6.5 medium
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SUSE

7.5 high