-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: squid:4 security update Advisory ID: RHSA-2020:2041-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2041 Issue date: 2020-05-06 CVE Names: CVE-2019-12519 CVE-2019-12525 CVE-2020-11945 ===================================================================== 1. Summary: An update for the squid:4 module is now available for Red Hat Enterprise Linux 8. 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 AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Security Fix(es): * squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519) * squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945) * squid: parsing of header Proxy-Authentication leads to memory corruption (CVE-2019-12525) 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 After installing this update, the squid service will be restarted automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 1730535 - CVE-2019-12525 squid: parsing of header Proxy-Authentication leads to memory corruption 1827552 - CVE-2019-12519 squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow 1827563 - CVE-2020-11945 squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.src.rpm aarch64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.aarch64.rpm squid-debuginfo-4.4-8.module+el8.2.0+6449+6ba3df3e.1.aarch64.rpm squid-debugsource-4.4-8.module+el8.2.0+6449+6ba3df3e.1.aarch64.rpm ppc64le: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.ppc64le.rpm squid-debuginfo-4.4-8.module+el8.2.0+6449+6ba3df3e.1.ppc64le.rpm squid-debugsource-4.4-8.module+el8.2.0+6449+6ba3df3e.1.ppc64le.rpm s390x: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.s390x.rpm squid-debuginfo-4.4-8.module+el8.2.0+6449+6ba3df3e.1.s390x.rpm squid-debugsource-4.4-8.module+el8.2.0+6449+6ba3df3e.1.s390x.rpm x86_64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm squid-4.4-8.module+el8.2.0+6449+6ba3df3e.1.x86_64.rpm squid-debuginfo-4.4-8.module+el8.2.0+6449+6ba3df3e.1.x86_64.rpm squid-debugsource-4.4-8.module+el8.2.0+6449+6ba3df3e.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-2019-12519 https://access.redhat.com/security/cve/CVE-2019-12525 https://access.redhat.com/security/cve/CVE-2020-11945 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 iQIVAwUBXrLAT9zjgjWX9erEAQj6Lg/+IWldpcCba3ZuNN4117vmHOiANabg6t0s jyE2r4dlmP/xBYWlRt355AEKIty5XFohvg6wKxjiu2l9GoIsCqd8kdqiw/48wpCW nVHYy1X9F5xJV3tF44Th3PcuKEXGQRlTeU48pLcRhoWFGyZKx5Xzr3dIpOBalohc GyGP6SCmiZBLzvX8WpSwMI5+pxfHrTEfYvAXCXFY6t5HMoGxittl9YYarygMXLj7 RoGgoeQHDgVMl125jZJ/TWFjmHLMUrEIJZPIM2rj0CjSvsHbJy6goI4O2meUTGfK q+qVamaBj3+iBk5qPoB4PZgfnSK8eGdma48WBdfu3xRclmsm1hxOcyi4upFDYWkF 3tCo9phCd6dNI68u2fPxIm9q6A+Egjpl3tRY69K2gKBRztwXltf8HhGQky3uSAPs m6l+YRjGztflb+nwkQ3sgLFb+/2wmL5z9XFqx8jStaMXVNlvmElde1FszBWaw9/9 +T5Jbm2vhxtxtJx2PTtuwWkhCu8p1TPn05/7aVnT4i74bkyVOL1IMmdrabVIATXw 96SBWiArGW2Q1qNrC1zi6uDEn0o/okO20j/Hy9H93uKdksVQj1ii+CisWk4nC7Eu VViCV3tp2bARH8P15mCJr6pZFh7PVukjWeVFtOMlfnNVCHQU2lVaX0GPVTdLKMvi G/HCsGKWAac= =LC/6 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce