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Category:   Application (Generic)  >   wget Vendors:   GNU [multiple authors]
(Oracle Issues Fix for Oracle Linux) wget Input Validation Flaw in SetCookie Processing Lets Remote Users Inject Arbitrary Cookies on the Target System
SecurityTracker Alert ID:  1042078
SecurityTracker URL:  http://securitytracker.com/id/1042078
CVE Reference:   CVE-2018-0494   (Links to External Site)
Date:  Nov 12 2018
Impact:   Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.7 - 1.19.4
Description:   A vulnerability was reported in wget. A remote user can set and modify cookies on the target system.

The software does not properly process Set-Cookie responses. A remote server can return specially crafted data to inject arbitrary cookies into the cookie jar file on the target system.

The vendor was notified on April 26, 2018.

The original advisory including demonstration exploit steps is available at:

https://sintonen.fi/advisories/gnu-wget-cookie-injection.txt

Harry Sintonen of F-Secure Corporation reported this vulnerability.

Impact:   A remote user can set and modify cookies on the target system.
Solution:   Oracle has issued a fix.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2018-3052.html

Vendor URL:  linux.oracle.com/errata/ELSA-2018-3052.html (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Oracle)
Underlying OS Comments:  7

Message History:   This archive entry is a follow-up to the message listed below.
May 7 2018 wget Input Validation Flaw in SetCookie Processing Lets Remote Users Inject Arbitrary Cookies on the Target System



 Source Message Contents

Subject:  [El-errata] ELSA-2018-3052 Moderate: Oracle Linux 7 wget security and bug fix update

Oracle Linux Security Advisory ELSA-2018-3052

http://linux.oracle.com/errata/ELSA-2018-3052.html

The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
wget-1.14-18.el7.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/wget-1.14-18.el7.src.rpm



Description of changes:

[1.14-18]
- Fix CVE-2018-0494 (#1576106)

[1.14-17]
- Fix segfault when Digest Authentication header is missing 'qop' part 
(#1545310)

[1.14-16]
- Fixed various security flaws (CVE-2017-13089, CVE-2017-13090)


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El-errata mailing list
El-errata@oss.oracle.com
https://oss.oracle.com/mailman/listinfo/el-errata
 
 


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