Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1494 curl security update 29 April 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: curl Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 8 Red Hat Enterprise Linux WS/Desktop 8 Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-5482 CVE-2019-5481 CVE-2019-5436 Reference: ASB-2020.0087 ASB-2020.0021 ESB-2020.0651 ESB-2019.3513 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:1792 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: curl security update 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 CVE Names: CVE-2019-5436 CVE-2019-5481 CVE-2019-5482 ===================================================================== 1. Summary: 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@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXqhVoNzjgjWX9erEAQgJMg/8DAMBpN5DOX5FylDwT/CBefBZKsiL5SzU RDb/Woe+EeJgSjq/6R6+irbAkA4EPGulQAOTAH53pxvYY8t0yttdMl8Hkt015dIP Z8Umq3m/1mPKpOJwoUkaUKeVjp+l5IX75EDTJe//dhFf+htJaiFSIvl3DzfTRnsa ZNzFfxFpPDTeer5LosKIQITN+KIThqRQ9q4QQSxn0uGpR2h7oKwxfh33zz1OZla9 NE03ySuttzxwsWLMLSyu+Y1/BXvZevSAvA0gpxP1z+XRz79Tl86K4ZP6DkTVv1Lk x06/iwtejtuhepVQIKHg+J0iK8iUu7deBtktDmDkcW0f8+Pg8zc6VT5bnNCgAdfG uM13FjVm218E5q+Y/AufDIzsAv2RWMXh4ChAhRsok3uplBlacd2ccyaQt0+T2C7+ iQZ1+ZGjs+Xuc2t1Uk6Wuqw27qJn/jKWaMl/bC2HKWR1S4kvGuiEhfEUzC0y93xL HX5fBZAHugh7Ge6w61Eo/qn8FMPlPUWDwkHc0hBnZYfwc/q7sycAy8v7pfi4Quqn u26umwS9emYo08hbhKoqfq10qHCU+zlMLAv+cJ6Fl2QV0xdQxScfh0FLO1n5ph9e +qb+x0HAUY0s1FFYgJjYhyof61PkeioxQbEYJpFcVDGXiscDN3/51/xffdLDSvdm UpRKNwZwQ1E= =wx12 - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXqkJzGaOgq3Tt24GAQhbUg//fa0Jayn95RXsZupUEBTCy15YGFE0XFPv ufRE8LdjnpvnGqFxVJGFf0eGiwio/oA7tPuuS0/joNbi/lM1qUVdVoJ5n9Okkpiw mdzwh1HAKnFpLCoHx82FClK4BDCQiQFnBBUhDun9llCBTuHMaDl6YDFote2lVeAl aMUGU7dcmPrwsdS482d4JLnID7kxpJFn8LVQ68vAD237cmEpZYjNHjygdE1XloYp OBzfT3v1JWnX7gdPzReVXq6ClolHdaVj7Hu7mFJMzojl+q82GwDQluROadoOJZgj ncXBh+dW2nqwkcFF9nsWS0qWcuSVHdeOEAEIDLGpy5RBlt2+sXq5jjiaYCJoAwfb Lfge03Hj7kCzqH0UWaPwVFS2qVO2v9XbCFu49qRXcgKCV/82b94HGUBONIjO0k3Q yeC66Dcv8RZLZFADhgyRpof+nLxFuFebsireZSU21dCNkFFqPUuncgE7v4if1ahn 1DsYH94RCjQwB9vhlVpF+jsYcv9FvtE1YeVeCWNAg/af4TQs8U0KVTlVWpR+qQpd C5HejQQnt+ZvFO6dZaXsCMpsek1nFfjK2j3jGyH51yBdiTGqckmlJINUM7iPV+ee NH3XHD1K+CHlj0aVFgAncTaT34x093S3qzJlE4mqYy+yfctLkml+s2y5uaM+n9/v uhz7h+/Gk4I= =U7AW -----END PGP SIGNATURE-----