Vulnerability Name:

CVE-2019-13617 (CCN-163760)

Assigned:2019-06-03
Published:2019-06-03
Updated:2022-03-24
Summary:njs through 0.3.3, used in NGINX, has a heap-based buffer over-read in nxt_vsprintf in nxt/nxt_sprintf.c during error handling, as demonstrated by an njs_regexp_literal call that leads to an njs_parser_lexer_error call and then an njs_parser_scope_error call.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2019-13617

Source: MISC
Type: Permissions Required, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15093

Source: XF
Type: UNKNOWN
nginx-njs-cve201913617-dos(163760)

Source: CCN
Type: njs GIT Repository
heap-buffer-overflow in nxt_sprintf.c:429 #174

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/nginx/njs/issues/174

Source: CCN
Type: IBM Security Bulletin 1143478 (Watson Studio Local)
Multiple Vulnerabilities in Nginx affects IBM Watson Studio Local

Source: CCN
Type: IBM Security Bulletin 3655191 (Aspera Shares)
IBM Aspera Shares is affected by the following NGINX vulnerability (CVE-2019-13617)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:njs:*:*:*:*:*:*:*:* (Version <= 0.3.3)

    • Configuration CCN 1:
  • cpe:/a:nginx:njs:0.3.3:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:watson_studio_local:1.2.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 njs *
    nginx njs 0.3.3
    ibm watson studio local 1.2.3