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RedHat RHSA-2020-3916-01 Moderate: curl Heap Overflow Threat

red hat
Calendar Grey September 29, 2020
Dist Redhat Esm H88
Explore the recent moderate curl security patch for Red Hat Enterprise Linux 7, alongside the associated bug resolutions and remedies.
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: heap buffer overflow in function tftp_receive_packet() (CVE-2019-5482)
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 7.9 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat heap overflow curl RHEL 7

References

https://access.redhat.com/security/cve/CVE-2019-5482 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: curl-7.29.0-59.el7.src.rpm
x86_64: curl-7.29.0-59.el7.x86_64.rpm curl-debuginfo-7.29.0-59.el7.i686.rpm curl-debuginfo-7.29.0-59.el7.x86_64.rpm libcurl-7.29.0-59.el7.i686.rpm libcurl-7.29.0-59.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: curl-debuginfo-7.29.0-59.el7.i686.rpm curl-debuginfo-7.29.0-59.el7.x86_64.rpm libcurl-devel-7.29.0-59.el7.i686.rpm libcurl-devel-7.29.0-59.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: curl-7.29.0-59.el7.src.rpm
x86_64: curl-7.29.0-59.el7.x86_64.rpm curl-debuginfo-7.29.0-59.el7.i686.rpm curl-debuginfo-7.29.0-59.el7.x86_64.rpm libcurl-7.29.0-59.el7.i686.rpm libcurl-7.29.0-59.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: curl-debuginfo-7.29.0-59.el7.i686.rpm curl-debuginfo-7.29.0-59.el7.x86_64.rpm libcurl-devel-7.29.0-59.el7.i686.rpm libcurl-devel-7.29.0-59.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: curl-7.29.0-59.el7.src.rpm
ppc64: curl-7.29.0-59.el7.ppc64.rpm curl-debuginfo-7.29.0-59.el7.ppc.rpm curl-debuginfo-7.29.0-59.el7.ppc64.rpm libcurl-7.29.0-59.el7.ppc.rpm libcurl-7.29.0-59.el7.ppc64.rpm libcurl-devel-7.29.0-59.el7.ppc.rpm libcurl-devel-7.29.0-59.el7.ppc64.rpm
ppc64le:

Read the Full Advisory


Advisory ID: RHSA-2020:3916-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3916
Issue date: 2020-09-29

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 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 heap overflow curl RHEL 7

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

1749652 - CVE-2019-5482 curl: heap buffer overflow in function tftp_receive_packet()

1836773 - POST followed by a GET with large headers on the same connection leads to a NULL dereference

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