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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4548 patch security update for RHEL 7.4 AUS, E4S and TUS 4 December 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: patch Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-13638 CVE-2018-20969 Reference: ESB-2019.4162 ESB-2019.3720 ESB-2019.2791 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:4061 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: patch security update Advisory ID: RHSA-2019:4061-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:4061 Issue date: 2019-12-03 CVE Names: CVE-2018-20969 CVE-2019-13638 ===================================================================== 1. Summary: An update for patch is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. 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 Server AUS (v. 7.4) - x86_64 Red Hat Enterprise Linux Server E4S (v. 7.4) - ppc64le, x86_64 Red Hat Enterprise Linux Server TUS (v. 7.4) - x86_64 3. Description: The patch program applies diff files to originals. The diff command is used to compare an original to a changed file. Diff lists the changes made to the file. A person who has the original file can then use the patch command with the diff file to add the changes to their original file (patching the file). Security Fix(es): * patch: do_ed_script in pch.c does not block strings beginning with a ! character (CVE-2018-20969) * patch: OS shell command injection when processing crafted patch files (CVE-2019-13638) 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. 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/): 1733916 - CVE-2019-13638 patch: OS shell command injection when processing crafted patch files 1746672 - CVE-2018-20969 patch: do_ed_script in pch.c does not block strings beginning with a ! character 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.4): Source: patch-2.7.1-11.el7_4.src.rpm x86_64: patch-2.7.1-11.el7_4.x86_64.rpm patch-debuginfo-2.7.1-11.el7_4.x86_64.rpm Red Hat Enterprise Linux Server E4S (v. 7.4): Source: patch-2.7.1-11.el7_4.src.rpm ppc64le: patch-2.7.1-11.el7_4.ppc64le.rpm patch-debuginfo-2.7.1-11.el7_4.ppc64le.rpm x86_64: patch-2.7.1-11.el7_4.x86_64.rpm patch-debuginfo-2.7.1-11.el7_4.x86_64.rpm Red Hat Enterprise Linux Server TUS (v. 7.4): Source: patch-2.7.1-11.el7_4.src.rpm x86_64: patch-2.7.1-11.el7_4.x86_64.rpm patch-debuginfo-2.7.1-11.el7_4.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-2018-20969 https://access.redhat.com/security/cve/CVE-2019-13638 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXeZAr9zjgjWX9erEAQgSaQ/8DXzTEBiK5ZCnStrk5o83Jr7tuw2TbL0x L7ogrKW+6OK+9ca7pFAC7bMhZKIKoB00qDmwat2al08EJzBJUPdY08Ot7r6mYKI6 5UlNgET1Vjs4PIcXwqWtE2a2fr08eZ+S4zzuByDO6msGDzF6hk4r6FxpqdzWX/n2 IA1Nr1MefLRpMCHWWqS7NmXYJx0FDDhd1l7KTZB3YchIBV7E4x20Gzfp6jBx2cjS m0cStOO0WXjdMMPIcR1pLkxrzMVbsIcZV/HAxnaOkwadDfNgoeA/3fzHimiV9bk7 6G3MUTqAlJB4fz7oHlNnD1d6prfKpMhpZND4zePud0BPZ9/6oBiF0g2kXhuqvGVm hCc68r0woOfb3mOthj++/qXE17lVCBmQpxVCVNNnJ2aLhe1EaIZj++juS5v28Yw7 ST9wiMFV+giujJFYoZrvee8q9Kdqs6nH5P60g74CHGmDV0GIfGbbHSlDC65nvoua bieoR+/lNzjnpxyPm+8B24E3o2w9JVMJqQ5JNJl0cP3fmba7F4ON5/tao9aKlPA9 Z5WhvUB9DSjxPBdzhX2EgEZfFqwOiz50uhWdgfyZN1IMWK8xBRXE3Y4yjOt5RRHv 0CRttj3CMhBcE2OJn8pI84a8LbKNmywrEIrXShAullIkpUkHlAVGwDRRN9wCRQsC 0mLAthrSZao= =+APm - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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 iQIVAwUBXecn22aOgq3Tt24GAQjmoA//aoKe0zW7Hx1DbsylKTm76ZpvU8ZXUj7k Apfno6PcQe9j+RPvd3xEIQ4GS9aJcbRVtVWaXmIOPB0axmYIVuM7oWXNDvW2yMNm A50TsFXrjM53Vfd3NUBh/Pm41+8O/I27WTDKpFtbjl7/EylReCpnBZJa0ULMeisc 50mnYnLzvuYEIlEmZFEAUlAkv4mQAWLTYTVbBbRq6hbDBWfuDqTbKCD50n+wP8AS vyKAUI2Bc+Vp+f1gb7YG7fNJ7BYKX5kp3oUKPzmHtTfoIfHhH/R49VEIXbef+NKA oniHLggvgAqcvPnurZ5IkA11d6yqnoP6k4rYP3uaMaiP/CbxCSakA3A8GgWljvxQ JkB2BQG1YVd2pDlH+DirHyis7v3+5bVXuEyDI0DQMq85UYqXHQICMQ7wmiyn2E0c XD9cbV523Dx48vjWsZHqJ5np6kRU3iLrqT+3WEsZzdEsPeZbIjM+AqweOtOzdMpC wTz5A8m7gyc19NdZ78T1tJG3h8/aT3V4s1YPlkqxg32nlcDYV4eloXAfOe2PJfHJ ygGzBpOzp+mnF46fEj5KM/+SXd8TlexzGVyo743l/2CpbutIncgszn/UJ2Aq1Bbm XgQeDEg3zoec4YfW146QvyvwdQ0fdvjtHueRnRH1y+NzSXGPc+60Nc+sxYeMUIGj WTAKG6kcz90= =wL/Z -----END PGP SIGNATURE-----