Vulnerability Name:

CVE-2020-14415 (CCN-187445)

Assigned:2020-01-30
Published:2020-01-30
Updated:2020-09-02
Summary:oss_write in audio/ossaudio.c in QEMU before 5.0.0 mishandles a buffer position.
CVSS v3 Severity:3.3 Low (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
2.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-369
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-14415

Source: XF
Type: UNKNOWN
qemu-cve202014415-bo(187445)

Source: CCN
Type: QEMU GIT Repository
audio/oss: fix buffer pos calculation

Source: CONFIRM
Type: Patch, Vendor Advisory
https://git.qemu.org/?p=qemu.git;a=commit;h=7a4ede0047a8613b0e3b72c9d351038f013dd357

Source: UBUNTU
Type: Patch, Third Party Advisory
USN-4467-1

Vulnerable Configuration:Configuration 1:
  • cpe:/a:qemu:qemu:*:*:*:*:*:*:*:* (Version < 5.0.0)

  • Configuration 2:
  • cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:20.04:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:qemu:qemu:3.0.0:-:*:*:*:*:*:*
  • OR cpe:/a:qemu:qemu:4.0.0:-:*:*:*:*:*:*
  • OR cpe:/a:qemu:qemu:4.1.0:-:*:*:*:*:*:*
  • OR cpe:/a:qemu:qemu:4.2.0:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    qemu qemu *
    canonical ubuntu linux 16.04
    canonical ubuntu linux 18.04
    canonical ubuntu linux 20.04
    qemu qemu 3.0.0 -
    qemu qemu 4.0.0
    qemu qemu 4.1.0
    qemu qemu 4.2.0