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Security Bulletin: Vulnerabilities CVE-2020-1927 and CVE-2020-1934 in Apache HTTP Server affect IBM i

Security Bulletin


Summary

Apache HTTP Server is supported on IBM i. IBM i has addressed the applicable CVEs.

Vulnerability Details

CVEID:   CVE-2020-1927
DESCRIPTION:   Apache HTTP Server could allow a remote attacker to conduct phishing attacks, caused by an open redirect vulnerability in the mod_rewrite module. An attacker could exploit this vulnerability using a specially-crafted URL to redirect a victim to arbitrary Web sites.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/178936 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)

CVEID:   CVE-2020-1934
DESCRIPTION:   Apache HTTP Server could allow a remote attacker to execute arbitrary code on the system, caused by the use of uninitialized value in mod_proxy_ftp. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/178937 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM i7.4
IBM i7.3
IBM i7.2

Remediation/Fixes

The issue can be fixed by applying a PTF to IBM i.
Releases 7.4, 7.3, and 7.2 of IBM i are supported and will be fixed.

The IBM i PTF numbers containing the fix for the CVEs follow.  Future Group PTFs for HTTP Server will also contain the fixes for this CVE.

Release 7.4 -  SI73415
Release 7.3 -  SI72840
Release 7.2 -  SI72748

https://www-945.ibm.com/support/fixcentral/

Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

8 June 2020: 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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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Document Information

Modified date:
10 June 2020

UID

ibm16224298