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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.3068 USN-6110-1: Jhead vulnerabilities 30 May 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Jhead Publisher: Ubuntu Operating System: Ubuntu Resolution: Patch/Upgrade CVE Names: CVE-2021-28277 CVE-2021-28275 CVE-2021-3496 Original Bulletin: https://ubuntu.com/security/notices/USN-6110-1 Comment: CVSS (Max): 7.8 CVE-2021-3496 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- USN-6110-1: Jhead vulnerabilities 29 May 2023 Jhead could be made to crash if it opened a specially crafted file. 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 23.04 o Ubuntu 22.10 o Ubuntu 22.04 LTS o Ubuntu 20.04 LTS o Ubuntu 18.04 ESM o Ubuntu 16.04 ESM o Ubuntu 14.04 ESM Packages o jhead - Manipulate the non-image part of Exif compliant JPEG files Details It was discovered that Jhead did not properly handle certain crafted Canon images when processing them. An attacker could possibly use this issue to crash Jhead, resulting in a denial of service. ( CVE-2021-3496 ) It was discovered that Jhead did not properly handle certain crafted images when printing Canon-specific information. An attacker could possibly use this issue to crash Jhead, resulting in a denial of service. ( CVE-2021-28275 ) It was discovered that Jhead did not properly handle certain crafted images when removing unknown sections. An attacker could possibly use this issue to crash Jhead, resulting in a denial of service. ( CVE-2021-28275 ) Kyle Brown discovered that Jhead did not properly handle certain crafted images when editing their comments. An attacker could possibly use this to crash Jhead, resulting in a denial of service. (LP: #2020068) 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 23.04 o jhead - 1:3.06.0.1-6ubuntu0.23.04.1 Ubuntu 22.10 o jhead - 1:3.06.0.1-2ubuntu0.22.10.2 Ubuntu 22.04 o jhead - 1:3.06.0.1-2ubuntu0.22.04.1+esm1 Available with Ubuntu Pro Ubuntu 20.04 o jhead - 1:3.04-1ubuntu0.2+esm1 Available with Ubuntu Pro Ubuntu 18.04 o jhead - 1:3.00-8~ubuntu0.2+esm1 Available with Ubuntu Pro Ubuntu 16.04 o jhead - 1:3.00-4+deb9u1ubuntu0.1~esm3 Available with Ubuntu Pro Ubuntu 14.04 o jhead - 1:2.97-1+deb8u2ubuntu0.1~esm3 Available with Ubuntu Pro In general, a standard system update will make all the necessary changes. References o CVE-2021-28277 o CVE-2021-28275 o CVE-2021-3496 o https://launchpad.net/bugs/2020068 - --------------------------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/ iQIVAwUBZHVmjMkNZI30y1K9AQjkoQ//WLO4kLh79v8HkKeFLqwTMzQbE9xk4dux Wx8k897BHkWJID8BglCbEdnldhD8CwWmA2aWO9kQBMSdubd45URNKoG5MarhDy4y McPWmNlIeN6vI5fEKZU0bJ/+oJ4T578R49mJpWsXnxlydw++rnqduT9s4OBe8tZ5 9w8O4V5HgiP4f8DDMta0kg0cAJst86oWkwNtU3r7sqga+rl7hSw4CEpV77vuigik fE8yGAaZY6s6xtko4vdLfhjpK4wRtLXaURPRKMBbHXTUE6VfF+iBeojJqxDMoBLZ 90hN4srDDtMW36PkBiPBrbm9bbX1H02U8zSoPny6cZPs3z+xaQZI3QQqPei0IXG+ ETduLGkDdY9YI2wr5KYHhAV86hLpctMeozLn1VphfxNt9cXbeMB8U41IQiEmg8ea xAz82pmZoq4Ljn26vGtPMauNuvtFcuMHTXnjGwrxw4v6jNTPbi0qTBmOU6uP8LYk u9CDP5qVEvJ6jH9bMr8ty2pkzVqczNLaCtHYjUWcBNVVuvX8Rr++P04PDY/EQ2XB ipHo4FrpdQ6fgKkG5cNLreNC1XXYso44+18J2qI54q54IF6HU61+yYAkm8LHn6tx 0XbDCDE/CTXvEYvQqMwXVl/ExGl6gO+dyT9jMNdKwwSm5VrockvHXuI83QKRH+Bp +AwjMOJA44A= =Gem2 -----END PGP SIGNATURE-----