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Red Hat Enterprise Linux 8 RHSA-2020:1792-01 Moderate: curl Buffer Overflow

red hat
Calendar Grey April 28, 2020
Dist Redhat Esm H88
Fedora has rolled out a wget security patch categorized as Important. Safeguard your device by installing the most recent updates.
An update for curl is now available for Red Hat Enterprise Linux 8

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: double free due to subsequent call of realloc() (CVE-2019-5481)
* curl: heap buffer overflow in function tftp_receive_packet() (CVE-2019-5482)
* 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 8.2 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory buffer overflow security fix Red Hat Enterprise Linux moderate severity curl TFTP

References

https://access.redhat.com/security/cve/CVE-2019-5436 https://access.redhat.com/security/cve/CVE-2019-5481 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/8/html/8.2_release_notes/index

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: curl-7.61.1-12.el8.src.rpm
aarch64: curl-7.61.1-12.el8.aarch64.rpm curl-debuginfo-7.61.1-12.el8.aarch64.rpm curl-debugsource-7.61.1-12.el8.aarch64.rpm curl-minimal-debuginfo-7.61.1-12.el8.aarch64.rpm libcurl-7.61.1-12.el8.aarch64.rpm libcurl-debuginfo-7.61.1-12.el8.aarch64.rpm libcurl-devel-7.61.1-12.el8.aarch64.rpm libcurl-minimal-7.61.1-12.el8.aarch64.rpm libcurl-minimal-debuginfo-7.61.1-12.el8.aarch64.rpm
ppc64le: curl-7.61.1-12.el8.ppc64le.rpm curl-debuginfo-7.61.1-12.el8.ppc64le.rpm curl-debugsource-7.61.1-12.el8.ppc64le.rpm curl-minimal-debuginfo-7.61.1-12.el8.ppc64le.rpm libcurl-7.61.1-12.el8.ppc64le.rpm libcurl-debuginfo-7.61.1-12.el8.ppc64le.rpm libcurl-devel-7.61.1-12.el8.ppc64le.rpm libcurl-minimal-7.61.1-12.el8.ppc64le.rpm libcurl-minimal-debuginfo-7.61.1-12.el8.ppc64le.rpm
s390x: curl-7.61.1-12.el8.s390x.rpm curl-debuginfo-7.61.1-12.el8.s390x.rpm curl-debugsource-7.61.1-12.el8.s390x.rpm curl-minimal-debuginfo-7.61.1-12.el8.s390x.rpm libcurl-7.61.1-12.el8.s390x.rpm libcurl-debuginfo-7.61.1-12.el8.s390x.rpm libcurl-devel-7.61.1-12.el8.s390x.rpm libcurl-minimal-7.61.1-12.el8.s390x.rpm libcurl-minimal-debuginfo-7.61.1-12.el8.s390x.rpm
x86_64: curl-7.61.1-12.el8.x86_64.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:1792-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1792
Issue date: 2020-04-28

Topic

An update for curl is now available for Red Hat Enterprise Linux 8.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 buffer overflow security fix Red Hat Enterprise Linux moderate severity curl TFTP

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

1749402 - CVE-2019-5481 curl: double free due to subsequent call of realloc()

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

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