SB2023011204 - Multiple vulnerabilities in IBM Rational ClearCase
Published: January 12, 2023
Security Bulletin ID
SB2023011204
Severity
Medium
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2022-43680)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate. A remote attacker can trigger a use-after-free error and perform a denial of service (DoS) attack.
2) Resource exhaustion (CVE-ID: CVE-2013-0340)
The vulnerability allows remote attackers to cause a denial of service attack.
The vulnerability exists due to insufficient validation of user-supplied input within the expat library, when processing XML files. A remote attacker can pass specially crafted XML content to the affected library and perform a denial of service (DoS) attack.3) Improper Restriction of XML External Entity Reference (CVE-ID: CVE-2017-9233)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.The vulnerability exists due to an error within entityValueInitProcessor() function while parsing malformed XML in an external entity. An attacker can take advantage of this flaw to cause a denial of service against an application using the Expat library.
Successful exploitation of the vulnerability may allow an attacker to perform a denial of service attack.
Remediation
Install update from vendor's website.