Vulnerability Name:

CVE-2023-27533 (CCN-250476)

Assigned:2023-03-20
Published:2023-03-20
Updated:2023-04-21
Summary:cURL libcurl could allow a remote attacker to bypass security restrictions, caused by a TELNET option IAC injection flaw. By sending a specially crafted request, an attacker could exploit this vulnerability to pass on user name and "telnet options" for the server negotiation.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.2 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/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): High
Availibility (A): None
CVSS v2 Severity:8.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Complete
Availibility (A): None
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2023-27533

Source: CCN
Type: Progress Community Web site
DataDirect Hybrid Data Pipeline libcurl Security Update – June 2023

Source: CCN
Type: Progress Community Web site
DataDirect ODBC libcurl Security Update – June 2023

Source: CCN
Type: Project curl Security Advisory, March 20th 2023
TELNET option IAC injection

Source: XF
Type: UNKNOWN
curl-cve202327533-sec-bypass(250476)

Source: support@hackerone.com
Type: Exploit, Third Party Advisory
support@hackerone.com

Source: support@hackerone.com
Type: UNKNOWN
support@hackerone.com

Source: support@hackerone.com
Type: UNKNOWN
support@hackerone.com

Source: support@hackerone.com
Type: UNKNOWN
support@hackerone.com

Source: CCN
Type: IBM Security Bulletin 6986573 (Safer Payments)
Multiple publicly disclosed Libcurl vulnerabilities affect IBM Safer Payments

Source: CCN
Type: IBM Security Bulletin 7001689 (MaaS360)
IBM MaaS360 Cloud Extender Agent, Mobile Enterprise Gateway, Configuration Utility, VPN, Certificate and Base Module affected by multiple vulnerabilities

Source: CCN
Type: IBM Security Bulletin 7002501 (QRadar WinCollect Agent)
cURL as used by IBM QRadar WinCollect Agent contains multiple vulnerabilities

Source: CCN
Type: IBM Security Bulletin 7004263 (PowerSC)
Multiple vulnerabilities in Curl affect PowerSC

Source: CCN
Type: IBM Security Bulletin 7008409 (AIX)
Multiple vulnerabilities in cURL libcurl affect AIX

Source: CCN
Type: IBM Security Bulletin 7010743 (InfoSphere Information Server)
IBM InfoSphere Information Server is affected by multiple vulnerabilities in Progress DataDirect Connect for ODBC

Source: CCN
Type: IBM Security Bulletin 7013517 (App Connect Enterprise Certified Container)
IBM App Connect Enterprise Certified Container Dashboard operands are vulnerable to security restrictions bypass due to [CVE-2022-32221], [CVE-2023-27533], [CVE-2023-28322]

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:curl:libcurl:7.7:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:infosphere_information_server:11.7:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:app_connect_enterprise_certified_container:6.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:safer_payments:6.4.0.00:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:safer_payments:6.4.2.02:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:safer_payments:6.5.0.00:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7476
    P
    		curl-8.0.1-150400.5.23.1 on GA media (Moderate)
    2023-06-12
    BACK
    curl libcurl 7.7
    ibm infosphere information server 11.7
    ibm app connect enterprise certified container 6.2
    ibm safer payments 6.4.0.00
    ibm safer payments 6.4.2.02
    ibm safer payments 6.5.0.00