Vulnerability Name:

CVE-2020-24349 (CCN-186769)

Assigned:2020-06-27
Published:2020-06-27
Updated:2022-10-05
Summary:njs through 0.4.3, used in NGINX, allows control-flow hijack in njs_value_property in njs_value.c.
Note: the vendor considers the issue to be "fluff" in the NGINX use case because there is no remote attack surface.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
5.0 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:P/RL:U/RC:R)
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): High
Availibility (A): None
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)
7.6 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:P/RL:U/RC:R)
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:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
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-416
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-24349

Source: MISC
Type: Third Party Advisory
https://cwe.mitre.org/data/definitions/416.html

Source: XF
Type: UNKNOWN
nginx-cve202024349-weak-security(186769)

Source: CCN
Type: njs GIT Repository
Control flow hijack in njs_value_property #324

Source: MISC
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/nginx/njs/issues/324

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20200918-0001/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:njs:*:*:*:*:*:*:*:* (Version <= 0.4.3)

    • Configuration CCN 1:
  • cpe:/a:nginx:njs:0.4.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 njs *
    nginx njs 0.4.3