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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.1711 USN-5942-2: Apache HTTP Server vulnerability 23 March 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Apache HTTP Server Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2023-25690 Original Bulletin: https://ubuntu.com/security/notices/USN-5942-2 Comment: CVSS (Max): 9.8 CVE-2023-25690 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5942-2: Apache HTTP Server vulnerability 22 March 2023 Apache HTTP Server could allow unintended access to network services. Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Learn more about Ubuntu Pro Releases o Ubuntu 16.04 ESM Packages o apache2 - Apache HTTP server Details USN-5942-1 fixed vulnerabilities in Apache HTTP Server. This update provides the corresponding update for CVE-2023-25690 for Ubuntu 16.04 ESM. Original advisory details: Lars Krapf discovered that the Apache HTTP Server mod_proxy module incorrectly handled certain configurations. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. ( CVE-2023-25690 ) Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Learn more about Ubuntu Pro Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 o apache2 - 2.4.18-2ubuntu3.17+esm10 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References o CVE-2023-25690 Related notices o USN-5942-1 : libapache2-mod-proxy-uwsgi, apache2-suexec-custom, apache2-doc, apache2-ssl-dev, apache2-utils, apache2-bin, apache2-suexec-pristine, apache2-dev, apache2, apache2-data, libapache2-mod-md - --------------------------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: https://auscert.org.au/gpg-key/ iQIVAwUBZBuGnckNZI30y1K9AQhoSw//ULfp0AXlb8MgqCkj5wszx+NItd7NJ/n7 vvug8T3KO0GT4Gvfe5ryDhwrNmQHIy5ko0b53/rzW2k+3Kuyo5rm/D2LsdCcRGja 74voQYx/NGu/IW0856IlTbh4draK0PH+SkGlyjsnVgex1mVapLBS8eI5wN2IVqPE leY7XncxJSCkh1qmKHp/tA1Lnb7w1yytbI3NWTsB9OEeBVstjIfkeXLD1W5MdgSV mvtWVb0I/MBwIliNnFNZfQt/td/poOOpvZvw0orpUtURGB92yfCZjjmMS65+LgqQ 9eL0rf8zISh/EDoTfyYtPoSzyrf9G1E/odbNCJxOWz4uwa8y3ztBD76KAmJDk2Ey 28TP9KyZPWmIL5+8MjsfflPqM+VZDaS70IpJMxYdEpD1USrfq5HtH9Qngo1SFJZa l0apRVUJC2sl5Mrh7GtvnfArZkIAC97hZNSi3xvXtIaq8OiW3GMVeZBBWnSlRQdN XFVYulvnExuIL42Jj7K+plSpclc1+ip7hUkgwmcTER2yi86+jEYKQwPA2tJdwQe9 mVFXuFlOmzO05oWMxvBmDcSknvaglXeCkF3M83qHqsVtOy2bkleX3WTzi4CzP0zM zdi2Zn9EWAEYn1PSrGUFAsWwz66VsFVGqNg1GG8ytbMLbokv0I2vxOBvVxi7bJIC Pg56o9lRafg= =Hw2l -----END PGP SIGNATURE-----