-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: squid:4 security update Advisory ID: RHSA-2020:2039-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2039 Issue date: 2020-05-06 CVE Names: CVE-2019-12519 CVE-2020-11945 ===================================================================== 1. Summary: An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.1 Extended 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 AppStream EUS (v. 8.1) - 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) 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/): 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 EUS (v. 8.1): Source: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm squid-4.4-8.module+el8.1.0+6436+af881f9b.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+el8.1.0+6436+af881f9b.1.aarch64.rpm squid-debuginfo-4.4-8.module+el8.1.0+6436+af881f9b.1.aarch64.rpm squid-debugsource-4.4-8.module+el8.1.0+6436+af881f9b.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+el8.1.0+6436+af881f9b.1.ppc64le.rpm squid-debuginfo-4.4-8.module+el8.1.0+6436+af881f9b.1.ppc64le.rpm squid-debugsource-4.4-8.module+el8.1.0+6436+af881f9b.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+el8.1.0+6436+af881f9b.1.s390x.rpm squid-debuginfo-4.4-8.module+el8.1.0+6436+af881f9b.1.s390x.rpm squid-debugsource-4.4-8.module+el8.1.0+6436+af881f9b.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+el8.1.0+6436+af881f9b.1.x86_64.rpm squid-debuginfo-4.4-8.module+el8.1.0+6436+af881f9b.1.x86_64.rpm squid-debugsource-4.4-8.module+el8.1.0+6436+af881f9b.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-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 iQIVAwUBXrK6rtzjgjWX9erEAQi/8g/8DKwPWzDWzjkGwk/j7/bTDWiRQWEqAA+J Gt8aD/b5ekfD6ihxxlY0GGiEQht3jJbngyN5D0XfRdaoyxdySVpT/+bXJOSq25SM eW5Y0TNhYDNbnFlm/e4w/P16ToFHXJ0Hib5+vP2jyyw3DLn1tWL4mizyBsIdH9Ym MhaSWrGcLHDfm5/TodjKIjpd1ILeugeIEbYD1Q/Gg5gp0mfWEqyeFqQkegZeqEyz grbM/vqNL7mFowkJIm6ZXiaVP3ruBrHAXouSfL2s8Og10Yk2mDCKE5h2YMn52fRe ioPSlfOqxpVTTZ9A0ZpVGZaNWEAGpkdVs4P4W0IOztxPh6ToRpySsdChGH0DuEFn yV/BN0Zs+WgVotResLmcLa4EtCzQT0KQ0hx+2+NwvLL/CKjikboWpxKZ741y4zHy pyePmNjMKhfjhsbVUlq54JrRr0PapuyBE6R+yYV1rn7gLAjRdu8is5+wyUDGeIWV /H0Ll5WgIxaUG2vSotSsjYYicbsnC8o4B5/6TG6eDIdiVFMn2nkZW0y32m0e3g6k NzbRVXMl9X8qJEmAjp44U7NGsZ8DQXiGYfAtYOy7rcUc2X8PJlbwfdzYxER7+7Hd oIDacda3flmo4FpVA9M28aYuiTapZ04up1FlxOg2hnxn8OhkeiKqKCNZ01059KMn iMnJehqmjSY= =eE+j -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce