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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.1880 USN-4971-1: libwebp vulnerabilities 2 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libwebp Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-36332 CVE-2020-36331 CVE-2020-36330 CVE-2020-36329 CVE-2020-36328 CVE-2018-25014 CVE-2018-25013 CVE-2018-25012 CVE-2018-25011 CVE-2018-25010 CVE-2018-25009 Original Bulletin: https://ubuntu.com/security/notices/USN-4971-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running libwebp check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4971-1: libwebp vulnerabilities 01 June 2021 libwebp could be made to crash or run programs as your login if it opened a specially crafted file. Releases o Ubuntu 21.04 o Ubuntu 20.10 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS Packages o libwebp - Lossy compression of digital photographic images. Details It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause libwebp to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04 o libwebp6 - 0.6.1-2ubuntu0.21.04.1 o libwebpmux3 - 0.6.1-2ubuntu0.21.04.1 o libwebpdemux2 - 0.6.1-2ubuntu0.21.04.1 Ubuntu 20.10 o libwebp6 - 0.6.1-2ubuntu0.20.10.1 o libwebpmux3 - 0.6.1-2ubuntu0.20.10.1 o libwebpdemux2 - 0.6.1-2ubuntu0.20.10.1 Ubuntu 20.04 o libwebp6 - 0.6.1-2ubuntu0.20.04.1 o libwebpmux3 - 0.6.1-2ubuntu0.20.04.1 o libwebpdemux2 - 0.6.1-2ubuntu0.20.04.1 Ubuntu 18.04 o libwebp6 - 0.6.1-2ubuntu0.18.04.1 o libwebpmux3 - 0.6.1-2ubuntu0.18.04.1 o libwebpdemux2 - 0.6.1-2ubuntu0.18.04.1 In general, a standard system update will make all the necessary changes. References o CVE-2020-36331 o CVE-2018-25010 o CVE-2018-25011 o CVE-2020-36330 o CVE-2020-36329 o CVE-2018-25013 o CVE-2018-25009 o CVE-2020-36332 o CVE-2020-36328 o CVE-2018-25014 o CVE-2018-25012 - --------------------------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. 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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 iQIVAwUBYLbsBeNLKJtyKPYoAQjZBxAAmleD6wq3VDpXQYzzmZjCCzKXg7dSiFZO YVod8tM607KBynuljNaVCdv/wVNmquiJDsU0nJgfbJkm5KLRcK0Ttc6AmQ4vpyuA cVmMHwcREhjS7ZgdFAipUcbVP3hqWt/RIb4he186x+NKI2KrGW4NMJhP4WDanO3O wk0i8ejs7ct9VMwe/6tPIA9VvAjnbzV3f6EfiEJgWiMy3CHQjDdRGqTZzSHyOJCS +onbrKD2I4LGREUgBdIcK9QVkSNm3zwr3Pval7P7Rq1AQ4WFJv8IfBf0QLMbJv8S owyL1229e+h6Yt7WFjXcC41Eq9u1ERgR07UQEiwv2LB12ozBKlfiD76MIz3JSqSj HvyR+s5/t4AP98NdB6A/kvnZGTopKpC0Q9CUZuTJywhrk79+AAbreTZNPt6iLDBD ZftA1VioUojt9EHeu5GAP9Mk9ywdF+0rL7QRjt5VLBm7N8XJ1tNNVp92oEKyWoak iNvR9oL+qpShlSYEdttWkzK5NPYPjiydn1desXoiKeC2Kzlf7jdjKpQI9p28/3Xz udFKxHHe7ywbendIbZQMR2jboBH0X6gvO7P5nczJTArppH/K+ZyWBJvEkMgw6gEs TSOqz8Cfq3YcaNz47SqYBya+XeWQD5ZRjDa2Moy3UMIqVye5H/a/C34a49MW4Lge Bxg/ASgJAA4= =+GjW -----END PGP SIGNATURE-----