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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0349 curl vulnerabilities 7 February 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: curl Publisher: Ubuntu Operating System: Ubuntu UNIX variants (UNIX, Linux, OSX) Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-3823 CVE-2019-3822 CVE-2018-16890 Original Bulletin: http://www.ubuntu.com/usn/usn-3882-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running curl check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- ========================================================================== Ubuntu Security Notice USN-3882-1 February 06, 2019 curl vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - - Ubuntu 18.10 - - Ubuntu 18.04 LTS - - Ubuntu 16.04 LTS - - Ubuntu 14.04 LTS Summary: Several security issues were fixed in curl. Software Description: - - curl: HTTP, HTTPS, and FTP client and client libraries Details: Wenxiang Qian discovered that curl incorrectly handled certain NTLM authentication messages. A remote attacker could possibly use this issue to cause curl to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-16890) Wenxiang Qian discovered that curl incorrectly handled certain NTLMv2 authentication messages. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2019-3822) Brian Carpenter discovered that curl incorrectly handled certain SMTP responses. A remote attacker could possibly use this issue to cause curl to crash, resulting in a denial of service. (CVE-2019-3823) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: curl 7.61.0-1ubuntu2.3 libcurl3-gnutls 7.61.0-1ubuntu2.3 libcurl3-nss 7.61.0-1ubuntu2.3 libcurl4 7.61.0-1ubuntu2.3 Ubuntu 18.04 LTS: curl 7.58.0-2ubuntu3.6 libcurl3-gnutls 7.58.0-2ubuntu3.6 libcurl3-nss 7.58.0-2ubuntu3.6 libcurl4 7.58.0-2ubuntu3.6 Ubuntu 16.04 LTS: curl 7.47.0-1ubuntu2.12 libcurl3 7.47.0-1ubuntu2.12 libcurl3-gnutls 7.47.0-1ubuntu2.12 libcurl3-nss 7.47.0-1ubuntu2.12 Ubuntu 14.04 LTS: curl 7.35.0-1ubuntu2.20 libcurl3 7.35.0-1ubuntu2.20 libcurl3-gnutls 7.35.0-1ubuntu2.20 libcurl3-nss 7.35.0-1ubuntu2.20 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3882-1 CVE-2018-16890, CVE-2019-3822, CVE-2019-3823 Package Information: https://launchpad.net/ubuntu/+source/curl/7.61.0-1ubuntu2.3 https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.6 https://launchpad.net/ubuntu/+source/curl/7.47.0-1ubuntu2.12 https://launchpad.net/ubuntu/+source/curl/7.35.0-1ubuntu2.20 - --------------------------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 iQIVAwUBXFuYEGaOgq3Tt24GAQjWFA/+Mgl2m18nBu7JF4FFXdGHHBGHeikHMS5t 1Xift5p6093YG7oLFLqZ2Tcfciks4z2ihAdVMUgLawgowD8Lc/aERU4SrD9idVni 4ZIv70tjf4PURger/zayyOCKRSPWDn1/8YgLEpCcho+1jtHJZRy9XcfIy6A4y7pp H3eBIu3rypCm7kurvGd/kHx9rYow28C0/EqOn+nRU6jmZMHKjvEyumtnhZux8Btj 05Kw0+TTk1H3+qnPmSv/BIlZ+N6JBghDAdensqtXzX+MECLg1liH7Th9NA6DCtmx C0p3EYywXAE9IWv4GxT0udxzZbrLUFwntHznhjXUSQAnsPL4vOJa6JeiKKK+O8R+ YG07ArF/mhlRFr9LdoA/V9PKRYL86SonVgdXBI+bo3IMEFxMy3r2njte9jQSfMhh aHtRtSBMtNfDGaqQos4TDTpawSGnaTf3oSoUNwNMMH44kxcJ/HwyZv/VA3OsobqH TP9ZqbCVJX8g6nroWx5PpfYYjgJFKoZO/Y1phU4/7HVFudpxhEVsY3ioIIXONzn5 0q/IeRUo8gYpseb828H3ZjG9R93Kew3tzJWIJDBe4FgQulDAvW9DlAWJETynhSo9 1TJiAtij9lx8dzlesEpPCI7N6eiokNCK64HhiWGmpPKlW0tK/dWpT6j2CzqWPECT PlOC4S/kZZc= =Yr5u -----END PGP SIGNATURE-----