Exploit the possiblities

Red Hat Security Advisory 2017-3075-01

Red Hat Security Advisory 2017-3075-01
Posted Oct 26, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-3075-01 - The wget packages provide the GNU Wget file retrieval utility for HTTP, HTTPS, and FTP protocols. Security Fix: A stack-based and a heap-based buffer overflow flaws were found in wget when processing chunked encoded HTTP responses. By tricking an unsuspecting user into connecting to a malicious HTTP server, an attacker could exploit these flaws to potentially execute arbitrary code.

tags | advisory, web, overflow, arbitrary, protocol
systems | linux, redhat
advisories | CVE-2017-13089, CVE-2017-13090
MD5 | 7d115b485d60dc7866ad086a046a7a19

Red Hat Security Advisory 2017-3075-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: wget security update
Advisory ID: RHSA-2017:3075-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:3075
Issue date: 2017-10-26
CVE Names: CVE-2017-13089 CVE-2017-13090
=====================================================================

1. Summary:

An update for wget is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

The wget packages provide the GNU Wget file retrieval utility for HTTP,
HTTPS, and FTP protocols.

Security Fix(es):

* A stack-based and a heap-based buffer overflow flaws were found in wget
when processing chunked encoded HTTP responses. By tricking an unsuspecting
user into connecting to a malicious HTTP server, an attacker could exploit
these flaws to potentially execute arbitrary code. (CVE-2017-13089,
CVE-2017-13090)

Red Hat would like to thank the GNU Wget project for reporting these
issues.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1505444 - CVE-2017-13089 wget: Stack-based buffer overflow in HTTP protocol handling
1505445 - CVE-2017-13090 wget: Heap-based buffer overflow in HTTP protocol handling

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
wget-1.14-15.el7_4.1.src.rpm

x86_64:
wget-1.14-15.el7_4.1.x86_64.rpm
wget-debuginfo-1.14-15.el7_4.1.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
wget-1.14-15.el7_4.1.src.rpm

x86_64:
wget-1.14-15.el7_4.1.x86_64.rpm
wget-debuginfo-1.14-15.el7_4.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
wget-1.14-15.el7_4.1.src.rpm

aarch64:
wget-1.14-15.el7_4.1.aarch64.rpm
wget-debuginfo-1.14-15.el7_4.1.aarch64.rpm

ppc64:
wget-1.14-15.el7_4.1.ppc64.rpm
wget-debuginfo-1.14-15.el7_4.1.ppc64.rpm

ppc64le:
wget-1.14-15.el7_4.1.ppc64le.rpm
wget-debuginfo-1.14-15.el7_4.1.ppc64le.rpm

s390x:
wget-1.14-15.el7_4.1.s390x.rpm
wget-debuginfo-1.14-15.el7_4.1.s390x.rpm

x86_64:
wget-1.14-15.el7_4.1.x86_64.rpm
wget-debuginfo-1.14-15.el7_4.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
wget-1.14-15.el7_4.1.src.rpm

x86_64:
wget-1.14-15.el7_4.1.x86_64.rpm
wget-debuginfo-1.14-15.el7_4.1.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-13089
https://access.redhat.com/security/cve/CVE-2017-13090
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2017 Red Hat, Inc.
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