Security Bulletin: Multiple Vulnerabilities in Apache HttpClient, HttpComponents and HttpCommons affect IBM Engineering Lifecycle Optimization - Publishing

Summary

There are multiple vulnerabilities in Apache HttpClient, HttpComponents and HttpCommons libraries. This has been addressed.

Vulnerability Details

CVEID:CVE-2015-5262
**DESCRIPTION:**Apache Commons is vulnerable to a denial of service, caused by the failure to apply a configured connection during the initial handshake of an HTTPS connection by the HttpClient component. An attacker could exploit this vulnerability to accumulate multiple connections and exhaust all available resources.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/106932 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2020-13956
**DESCRIPTION:**Apache HttpClient could allow a remote attacker to bypass security restrictions, caused by the improper handling of malformed authority component in request URIs. By passing request URIs to the library as java.net.URI object, an attacker could exploit this vulnerability to pick the wrong target host for request execution.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189572 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

**IBM X-Force ID:**220912
**DESCRIPTION:**Apache HttpComponents Client could allow a remote attacker to traverse directories on the system, caused by improper validation of user requests. An attacker could send a specially-crafted URL request containing “dot dot” sequences (/…/) to view files on the system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/220912 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

Workarounds and Mitigations

None