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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0664 xterm security update 23 February 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xterm Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-27135 Reference: ESB-2021.0615 ESB-2021.0549 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:0617 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: xterm security update Advisory ID: RHSA-2021:0617-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:0617 Issue date: 2021-02-22 CVE Names: CVE-2021-27135 ===================================================================== 1. Summary: An update for xterm is now available for Red Hat Enterprise Linux 7. 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (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 3. Description: The xterm program is a terminal emulator for the X Window System. It provides DEC VT102 and Tektronix 4014 compatible terminals for programs that can't use the window system directly. Security Fix(es): * xterm: crash when processing combining characters (CVE-2021-27135) 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/): 1927559 - CVE-2021-27135 xterm: crash when processing combining characters 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: xterm-295-3.el7_9.1.src.rpm x86_64: xterm-295-3.el7_9.1.x86_64.rpm xterm-debuginfo-295-3.el7_9.1.x86_64.rpm Red Hat Enterprise Linux ComputeNode (v. 7): Source: xterm-295-3.el7_9.1.src.rpm x86_64: xterm-295-3.el7_9.1.x86_64.rpm xterm-debuginfo-295-3.el7_9.1.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: xterm-295-3.el7_9.1.src.rpm ppc64: xterm-295-3.el7_9.1.ppc64.rpm xterm-debuginfo-295-3.el7_9.1.ppc64.rpm ppc64le: xterm-295-3.el7_9.1.ppc64le.rpm xterm-debuginfo-295-3.el7_9.1.ppc64le.rpm s390x: xterm-295-3.el7_9.1.s390x.rpm xterm-debuginfo-295-3.el7_9.1.s390x.rpm x86_64: xterm-295-3.el7_9.1.x86_64.rpm xterm-debuginfo-295-3.el7_9.1.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: xterm-295-3.el7_9.1.src.rpm x86_64: xterm-295-3.el7_9.1.x86_64.rpm xterm-debuginfo-295-3.el7_9.1.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-2021-27135 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 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYDORztzjgjWX9erEAQijsA//ZBToGHCX4a8OfzqyyZmmRURssjNFIGY/ ogM6/xyZiJMau+xxRjOHLkB4wc/e1GFq09hrrq20qciiz8H6RoZTP8MYU3oLoqnr zYd4jXNsz7lzXumtuLdtoOy8de0WTlXONtUeeq5jHAWeRG8NjtwHdZM7gOHRKwjS bpeEWui/mg4BDyYQ9ZfoKzQ1Zp43/rZPV6GN9Veafn5R3UrATdbc2gsIVUDGjqqF EeKayH3HeB1z/NLnVbh39yr36qG4Bfxs6AlHL9ODAFCqIyQxNvrPDcf6TDcuowDE Ux2OEgf/WI+a9kmoCGj+42KGkG14PpvQeEZDdriER8YlcFTcCkMswsIMaNyPoJwA gPpGh2UPQvk5VCgIV9H08XY8UW7p/CKjQ4z4XL8jSiLCnxFkCCW9IkYtb0NeyNoJ 5BPrNXLLMWuTiYMJlZZ6Xn2HxoEU+oBUK9cHIMIe8sc7cX/gh9+I35j134keObX6 pNcIhPiO5o+MoqglsYbQClKSk/i/C1x2yZ3ubXD61glQ8YyS+cjwwTMWxkxRm6dT Lr+g2iCrV7e10QNGMhGV7hIFIfwxtBRIeQh1hjda8Nce3a97TPvCb5JXGd7rZaUZ LXDkk/hBKbntEBqO2oN+iaRKbbwAOz88JO/OLmiJWQkoWizkI+/QNphapB+F+/U8 QA18qatRLRk= =v51z - -----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). 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