Vulnerability Name:

CVE-2019-25052 (CCN-207600)

Assigned:2021-06-28
Published:2021-06-28
Updated:2021-08-19
Summary:In Linaro OP-TEE before 3.7.0, by using inconsistent or malformed data, it is possible to call update and final cryptographic functions directly, causing a crash that could leak sensitive information.
CVSS v3 Severity:9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): High
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-327
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2019-25052

Source: XF
Type: UNKNOWN
linaro-cve201925052-info-disc(207600)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/OP-TEE/optee_os/commit/34a08bec755670ea0490cb53bbc68058cafc69b6

Source: CCN
Type: OP-TEE GIT Repository
Calling update and final functions before init

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/OP-TEE/optee_os/security/advisories/GHSA-pgwr-qmgh-vhmf

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linaro:op-tee:*:*:*:*:*:*:*:* (Version < 3.7.0)

    • Configuration CCN 1:
  • cpe:/o:linaro:op-tee:3.6.0:-:*:*:*:*:*:*
  • OR cpe:/o:linaro:op-tee:3.6.0:rc1:*:*:*:*:*:*
  • OR cpe:/o:linaro:op-tee:3.5.0:-:*:*:*:*:*:*
  • OR cpe:/o:linaro:op-tee:3.5.0:rc1:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    linaro op-tee *
    linaro op-tee 3.6.0 -
    linaro op-tee 3.6.0 rc1
    linaro op-tee 3.5.0 -
    linaro op-tee 3.5.0 rc1