[RHSA-2020:1792-01] Moderate: curl security update

Tue Apr 28 16:11:16 UTC 2020

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 impact
of Moderate. 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 BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

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.

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/):

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()

6. 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
curl-debuginfo-7.61.1-12.el8.i686.rpm
curl-debuginfo-7.61.1-12.el8.x86_64.rpm
curl-debugsource-7.61.1-12.el8.i686.rpm
curl-debugsource-7.61.1-12.el8.x86_64.rpm
curl-minimal-debuginfo-7.61.1-12.el8.i686.rpm
curl-minimal-debuginfo-7.61.1-12.el8.x86_64.rpm
libcurl-7.61.1-12.el8.i686.rpm
libcurl-7.61.1-12.el8.x86_64.rpm
libcurl-debuginfo-7.61.1-12.el8.i686.rpm
libcurl-debuginfo-7.61.1-12.el8.x86_64.rpm
libcurl-devel-7.61.1-12.el8.i686.rpm
libcurl-devel-7.61.1-12.el8.x86_64.rpm
libcurl-minimal-7.61.1-12.el8.i686.rpm
libcurl-minimal-7.61.1-12.el8.x86_64.rpm
libcurl-minimal-debuginfo-7.61.1-12.el8.i686.rpm
libcurl-minimal-debuginfo-7.61.1-12.el8.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-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

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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