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Red Hat: RHSA-2019:2258-01 Moderate: Http-Parser Denial of Service

red hat
Calendar Grey August 6, 2019
Dist Redhat Esm H88
Security notice for Red Hat: medium-level patch for http-parser, tackling header vulnerabilities and potential DoS risks.
An update for http-parser is now available for Red Hat Enterprise Linux 7

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

Summary

The http-parser package provides a utility for parsing HTTP messages. It parses both requests and responses. The parser is designed to be used in performance HTTP applications. It does not make any system calls or allocations, it does not buffer data, and it can be interrupted at any time. Depending on your architecture, it only requires about 40 bytes of data per message stream.
Security Fix(es):
* nodejs: Denial of Service with large HTTP headers (CVE-2018-12121)
* nodejs: HTTP parser allowed for spaces inside Content-Length header values (CVE-2018-7159)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat Denial of Service http-parser HTTP header issues

References

https://access.redhat.com/security/cve/CVE-2018-7159 https://access.redhat.com/security/cve/CVE-2018-12121 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: http-parser-2.7.1-8.el7.src.rpm
x86_64: http-parser-2.7.1-8.el7.i686.rpm http-parser-2.7.1-8.el7.x86_64.rpm http-parser-debuginfo-2.7.1-8.el7.i686.rpm http-parser-debuginfo-2.7.1-8.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: http-parser-debuginfo-2.7.1-8.el7.i686.rpm http-parser-debuginfo-2.7.1-8.el7.x86_64.rpm http-parser-devel-2.7.1-8.el7.i686.rpm http-parser-devel-2.7.1-8.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: http-parser-2.7.1-8.el7.src.rpm
x86_64: http-parser-2.7.1-8.el7.i686.rpm http-parser-2.7.1-8.el7.x86_64.rpm http-parser-debuginfo-2.7.1-8.el7.i686.rpm http-parser-debuginfo-2.7.1-8.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: http-parser-debuginfo-2.7.1-8.el7.i686.rpm http-parser-debuginfo-2.7.1-8.el7.x86_64.rpm http-parser-devel-2.7.1-8.el7.i686.rpm http-parser-devel-2.7.1-8.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: http-parser-2.7.1-8.el7.src.rpm
ppc64: http-parser-2.7.1-8.el7.ppc.rpm http-parser-2.7.1-8.el7.ppc64.rpm http-parser-debuginfo-2.7.1-8.el7.ppc.rpm http-parser-debuginfo-2.7.1-8.el7.ppc64.rpm
ppc64le: http-parser-2.7.1-8.el7.ppc64le.rpm http-parser-debuginfo-2.7.1-8.el7.ppc64le.rpm
s390x:

Read the Full Advisory


Advisory ID: RHSA-2019:2258-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2258
Issue date: 2019-08-06

Topic

An update for http-parser is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat Denial of Service http-parser HTTP header issues

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64

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

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1561981 - CVE-2018-7159 nodejs: HTTP parser allowed for spaces inside Content-Length header values

1661002 - CVE-2018-12121 nodejs: Denial of Service with large HTTP headers

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