-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: ksh security update Advisory ID: RHSA-2020:5352-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:5352 Issue date: 2020-12-07 CVE Names: CVE-2019-14868 ===================================================================== 1. Summary: An update for ksh is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support. 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. 7.2) - x86_64 3. Description: KornShell (ksh) is a Unix shell developed by AT&T Bell Laboratories, which is backward-compatible with the Bourne shell (sh) and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard (IEEE Std 1003.2-1992). Security Fix(es): * ksh: certain environment variables interpreted as arithmetic expressions on startup, leading to code injection (CVE-2019-14868) 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/): 1757324 - CVE-2019-14868 ksh: certain environment variables interpreted as arithmetic expressions on startup, leading to code injection 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.2): Source: ksh-20120801-26.el7_2.src.rpm x86_64: ksh-20120801-26.el7_2.x86_64.rpm ksh-debuginfo-20120801-26.el7_2.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-2019-14868 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX84MbtzjgjWX9erEAQin7Q//UX0JFQqY5kCubtL7EW7F8sRQp7Rs8ijv YkATHSsDlZs55ltoI6cJZwU9+YXqd0hvIR5DKbTp8E7/mLRcNvjKYGNlrDq4Mxid LDB7/OIDg4yY5UPHvHF733Ucata6/qmDl70F+GXDwPbsjIecm7Y7x46wefVuFAKH r+F8iH+TitsFxebKxJMKBtof8OcbKULfJGiz/IquPspfXv2qrYRtrgGNyo7Es4jm xTV1V19bdpicWsMYWsCbK/oVE1JziOpLmAk8OPggoX2DtHjdM+uu8cujcn7nRXdb EB/LHZ/DaRS0YBseiMiZd9vxQF+3mldXMuSYdxtJPnHrPIuP/j4FJoy3O4EEjgpF XY0fkDvkj5xqYIRSi0SBEBqAtV8iTf3/k2qn6yHdOI681DkNXP6zqamWk7q4Sst0 CXPjZkuSTNQfzR9xzqTr/VDy/dCizYyHEn98lpQZYWp33LHlXg1cmcXGkFrrH6GQ UJmdidH+vubhyLV4P5/rTjeZ8sl6fSHq1C5N9FJ2L0Sr6azYIXhJIwtDB/5ZgX3I C7JNZYVKlsT/s0TlpJoIvBrGu1zF7Wzjqx3/GRGzYBARjZZUlM5aNhV4pjgxiUfN 8qT0eOZ84em56qPLeF4h//BYU4M6CexIn8XCHPmkyyyvxGzutbdhe9UL4fLK8ZVE Dnw5dXp51Ig= =cwWc -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce