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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0096 USN-4688-1: JasPer vulnerabilities 12 January 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: JasPer Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-27828 CVE-2018-19542 CVE-2018-18873 CVE-2017-9782 Reference: ESB-2019.3702 ESB-2019.3679 ESB-2019.1402 Original Bulletin: https://ubuntu.com/security/notices/USN-4688-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4688-1: JasPer vulnerabilities 11 January 2021 Several security issues were fixed in JasPer. Releases o Ubuntu 16.04 LTS Packages o jasper - Library for manipulating JPEG-2000 files Details It was discovered that Jasper incorrectly certain files. An attacker could possibly use this issue to cause a crash. (CVE-2018-18873) It was discovered that Jasper incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-19542) It was discovered that Jasper incorrectly handled certain JPC encoders. An attacker could possibly use this issue to execute arbitrary code. (CVE-2020-27828) It was discovered that Jasper incorrectly handled certain images. An attacker could possibly use this issue to expose sensitive information or cause a crash. (CVE-2017-9782) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 o libjasper1 - 1.900.1-debian1-2.4ubuntu1.3 In general, a standard system update will make all the necessary changes. References o CVE-2017-9782 o CVE-2018-18873 o CVE-2018-19542 o CVE-2020-27828 - --------------------------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. 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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 iQIVAwUBX/z6fONLKJtyKPYoAQjy7A//cuYLVw0VRnt0q8xJTNZK4kE70HxKqUnk iW3tkakFTpNTnCVb0VvFR8PhcsTzRjmQj+rfmHTSpnCNWjazX/Q4Ndylm0al3BkF 4WkBFZSgAn5pQum9z5YYp/cTSl5HYK4tDKmqkPTl7UBQGFpAU12rzRVi24K1Q9NV Ha1sVyiRWuvekhK9WFBNoHg060booP1fjXWqyXlMkHgz0dwtXsjdJbdiLIke/ajm 2XlYY8mvCVbvTYDtXV8Z0uo6Qcdxoh1RSBdCAHjFb0pz4ROx5CW9m+R6UMWzbJVd SLsUt/Ir164wtHfJjdnEvrKaicB+iOGbS0zs9jSBD8Wr5ELAH6r3YSTOtlUtFzxw iAZdv4dywBhOIlRP58tBiRWo122AfzkmkO5RUzByRlb4jnkwVdhB0iMFr5CLDan+ 04mWwFvebdDp87KEjWnFZuHNWkkQGC1cSIdOwn7edHczEJikqtpleRMxHnj2p0od bRInTQTDbKNsve42+0k3ORbw9M3pSEJ1r+KqS90u09WazvgdNvEQhvwzXEyeZRFL W4IKHsZJA3Sm4ahDUbyhemau3nid9Kr3jrcAN/YgbjAf4dSHna+uOkoC1zE8uTrC cfCDGiNr/eGujgAqnuBs3UJYqSivwlv1mHVdBfYw6V5yEXVJx0+1x9A/V4FD+DZg 6i0ExcbO/ro= =QJqT -----END PGP SIGNATURE-----