Security Bulletin
Summary
junrar v7.4.0 and prior Denial of Service (DoS) security vulnerability in IBM FileNet Content Manager Content Search Services (CSS). A carefully crafted RAR archive can trigger an infinite loop while parsing the file. This could be used to mount a denial of service attack against services that use junrar.
Vulnerability Details
CVEID: CVE-2022-23596
DESCRIPTION: Junrar is vulnerable to a denial of service, caused by an infinite loop when extracting RAR files. By persuading a victim to open a specially-crafted RAR file, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/218764 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Enterprise Content Management Text Search | 5.5.4.0 |
| IBM Enterprise Content Management Text Search | 5.5.7.0 |
| IBM Enterprise Content Management Text Search | 5.5.8.0 |
Remediation/Fixes
o resolve these vulnerabilities, install one of the patch sets listed below to upgrade junrar.
In the above table, the APAR links will provide more information about the fix.
Workarounds and Mitigations
Disable indexing of RAR files
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
1 July 2022: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
01 July 2022
Initial Publish date:
01 July 2022
UID
ibm16558638