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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2341 apache2 security update 9 July 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: apache2 Publisher: Debian Operating System: Debian GNU/Linux Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-31618 CVE-2021-30641 CVE-2021-26691 CVE-2021-26690 CVE-2020-35452 Reference: ESB-2021.2229 ESB-2021.2196 ESB-2021.2097 Original Bulletin: https://lists.debian.org/debian-security-announce/2021/msg00120.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4937-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff July 08, 2021 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : apache2 CVE ID : CVE-2020-35452 CVE-2021-26690 CVE-2021-26691 CVE-2021-30641 CVE-2021-31618 Several vulnerabilities have been found in the Apache HTTP server, which could result in denial of service. In addition the implementation of the MergeSlashes option could result in unexpected behaviour. For the stable distribution (buster), these problems have been fixed in version 2.4.38-3+deb10u5. We recommend that you upgrade your apache2 packages. For the detailed security status of apache2 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/apache2 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAmDnMiAACgkQEMKTtsN8 TjbNqg/9Hrd2EqNC4ijkjHNI/B6K74GgElHVSNcF/vbOp0zmOHaRLaOr06rfXmz+ AYM9nJR4xNJQWaXKFXpCVNvmlaKKbgyiK1LFrslh4aOCVdaVxQIYlYEeOoHthc1K fZawY6qhGf4VrgSkTNhaKakNikpf4lqh7L14LUFSA0b9nRkAy7CtqGuOzgEaUR26 qRUjPewKCeE2QhMgA63ne+XxPUF4I2WYEV8SPdKRfPmMwFlUpwB8bvherjDV+53H ZRs81ZMHk05N1ESI2wYGSR/dh/xYqt/01cXJ636JR39AQR51beIVtxekzwTW/aPE mC2ZY7aH4rsLqcFe3bJcVPQjD0r/fHUVSex1Mnr7mETD5aHAohUfHLEEV1+qR8Cx gz8Z63k0KvmVNe7WetGzwsWnvOXnDdRr63qM0UqEkd3Tre0tLWXjmTUfdUcicAof NsXPtJT8eNwi+E9YmpY5IQRE88uQ2sk2NTGaQ4EetMpLqX5h7brF15OTVxqVbUPP sqAZpgz6lD2Y0P4tXGCYP3u+B48pcNqOS66JJNHO9gJgVu3O+MDQFss+Z5P5JKzI H/KJMv58eFlyP+SsGZbHcDuH/IN8ZMvJA4gsrtHDzRoowFBOS1zDXJjEYdAlzEyq B1SgwN1PXkxPDUAF2+z9dvAeEOrMUUhQhTOC4OnxFxPssSwHEps= =O0O+ - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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 iQIVAwUBYOeSY+NLKJtyKPYoAQhWLQ/+JvMFoO0cVvWC3YhCFLMz0LY4eQ36Z/M3 bHthNvTHJexLcGUNP4bFeDBYZ9ZaUeMaLbuVHtG7QVcCvHsnztS1AOYYZzQiohcV bDVWoIxBEtWPzNHLdmf7q3cWgUJmSGJ7SLiyiH0bsj2Q3V3uSX3ye3qaWsJla9xt E/zFNs0q+aPFwL+ItHdU+Vj4TMESy/uSFZUZ/hQ+HVs+4SYU1/pXcG1yRbzPGn1u OIFFPxixRMb/vMxO/ZfBd91J4esbC49PC0E0mSsgjHM7Nug1ZxZjnvg2hmXHh7DP t/dE6o7Nw5Hsj9GfZLvAFr+tHCotQjyrao4ILwG0/tPgC+F9lDEA34YlFdguaqti ykwfYihJsbD0scB1kHmwj1dHpRJq3W4Jgd94RmTPtvUKd4Yz7Ktaej5ydVYe6E0N 1ziRXc3N6CmggIDFTbACVS3Ita2G2rhI2H9itulENjY8HlLJZORLzudzRvJCS/ac k5NCv2wPW84e7XaImH8XKYxLRlx3XubuJFvK9PJku4o+eEIgYyDFaxXiC9GrFh9A AqGUBqEenAtFfyvI6tdLj3SbAbNul6qF1382kMEUnGqtsZycHNxhyHby/39spjKM 5zU0JSTlofzwtDbr/d/+Bi82BMR+pEqQnEGwv5Pmb2Osznwp95tRw6i75ciS7NUH ZO2yevbLbbA= =cnqZ -----END PGP SIGNATURE-----