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RedHat Enterprise Linux 7: RHSA-2020-1020-01 Low: Curl Buffer Overflow

red hat
Calendar Grey March 31, 2020
Dist Redhat Esm H88
A recent update for curl in Red Hat Enterprise Linux 7 resolves a minor security concern. Learn more about the improvements here.
An update for curl 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 curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.
Security Fix(es):
* curl: TFTP receive heap buffer overflow in tftp_receive_packet() function (CVE-2019-5436)
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 7.8 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow security fix low severity curl Enterprise Linux

References

https://access.redhat.com/security/cve/CVE-2019-5436 https://access.redhat.com/security/updates/classification#low https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/7/html/7.8_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: curl-7.29.0-57.el7.src.rpm
x86_64: curl-7.29.0-57.el7.x86_64.rpm curl-debuginfo-7.29.0-57.el7.i686.rpm curl-debuginfo-7.29.0-57.el7.x86_64.rpm libcurl-7.29.0-57.el7.i686.rpm libcurl-7.29.0-57.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: curl-debuginfo-7.29.0-57.el7.i686.rpm curl-debuginfo-7.29.0-57.el7.x86_64.rpm libcurl-devel-7.29.0-57.el7.i686.rpm libcurl-devel-7.29.0-57.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: curl-7.29.0-57.el7.src.rpm
x86_64: curl-7.29.0-57.el7.x86_64.rpm curl-debuginfo-7.29.0-57.el7.i686.rpm curl-debuginfo-7.29.0-57.el7.x86_64.rpm libcurl-7.29.0-57.el7.i686.rpm libcurl-7.29.0-57.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: curl-debuginfo-7.29.0-57.el7.i686.rpm curl-debuginfo-7.29.0-57.el7.x86_64.rpm libcurl-devel-7.29.0-57.el7.i686.rpm libcurl-devel-7.29.0-57.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: curl-7.29.0-57.el7.src.rpm
ppc64: curl-7.29.0-57.el7.ppc64.rpm curl-debuginfo-7.29.0-57.el7.ppc.rpm curl-debuginfo-7.29.0-57.el7.ppc64.rpm libcurl-7.29.0-57.el7.ppc.rpm libcurl-7.29.0-57.el7.ppc64.rpm libcurl-devel-7.29.0-57.el7.ppc.rpm libcurl-devel-7.29.0-57.el7.ppc64.rpm
ppc64le:

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1020-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1020
Issue date: 2020-03-31

Topic

An update for curl is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Low. 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 Red Hat buffer overflow security fix low severity curl Enterprise Linux

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 Workstation (v. 7) - x86_64

Bugs Fixed

1710620 - CVE-2019-5436 curl: TFTP receive heap buffer overflow in tftp_receive_packet() function

1754736 - curl does not send Authorization header when receiving WWW-Authenticate header twice

1769307 - curl fails while attempting to POST a char device

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