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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4556 libonig security update 5 December 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libonig Publisher: Debian Operating System: Debian GNU/Linux 8 UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-19246 CVE-2019-19204 CVE-2019-19012 Original Bulletin: https://www.debian.org/lts/security/2019/dla-2020 Comment: This advisory references vulnerabilities in products which run on platforms other than Debian. It is recommended that administrators running libonig check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Package : libonig Version : 5.9.5-3.2+deb8u4 CVE ID : CVE-2019-19012 CVE-2019-19204 CVE-2019-19246 Debian Bug : 944959 945313 Several vulnerabilities were discovered in the Oniguruma regular expressions library, notably used in PHP mbstring. CVE-2019-19012 An integer overflow in the search_in_range function in regexec.c leads to an out-of-bounds read, in which the offset of this read is under the control of an attacker. (This only affects the 32-bit compiled version). Remote attackers can cause a denial-of-service or information disclosure, or possibly have unspecified other impact, via a crafted regular expression. CVE-2019-19204 In the function fetch_range_quantifier in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read and lead to denial-of-service via a crafted regular expression. CVE-2019-19246 Heap-based buffer over-read in str_lower_case_match in regexec.c can lead to denial-of-service via a crafted regular expression. For Debian 8 "Jessie", these problems have been fixed in version 5.9.5-3.2+deb8u4. We recommend that you upgrade your libonig packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS - -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEQic8GuN/xDR88HkSj/HLbo2JBZ8FAl3ni78ACgkQj/HLbo2J BZ82bAf+LAfwQoUSObKPUVNgH1U82sAiJL9xohrJxyX8KB6TQr2OMLTqGD8grAcO I0sAOmvIGkCRLlYMwv+dl2q/lTaoYtXDc/1Ic2HajLKGUm4jkS2JZKTdkpQIvae1 ZZslqXKqORWYV36k6ljUVjeWNv6Yv6ZXP17OUCM4yUnXTZksvRoc7gA3ABsFpki2 dYlXGW9sPkdKEaa4spJMetys7jd9rD/nGASSy4HXva4gfxLsWm7nTvff4i9YX8P1 OaLTimYyQ2ojBqTdOSr51mgjXCelSE67PbEdSiI+9+yfK2A+z8JALehmGePgFMdv 3DfDNIc3uXvjbzuqfUErAlhbUpDO8g== =HuGy - -----END PGP SIGNATURE----- - --------------------------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 iQIVAwUBXeh2WmaOgq3Tt24GAQjWwRAA1W+EX3nVyGromxXjOin2MsrUM4OiVyHp FzU8mWzBjWqvLY/EItoMJzAJDwKc62l/TzezMK2Ez0CAref82epxl0bjUiEbpLnt 01G39f7/dZZFC3PvAjh1BNHQkF4W5JvMKVPNgkWK7qBKFBAm9iS9kZ1ggvrxk6RL Ssohvo19k9FOe9Ahq/j/REz+qf+Bs5E5iUHAWv2crFPyLu/oF5cAbIf8L/A4rs1t CypAMxMzuQcDhZzjv4h56H82IKSgbYSxV277KFYXDlsnChgUO2ght/6fmnfT5Zny yEUcsaYcJGF60OixCNA22fOEQPkdPziTa1WansJL+thvBBvs6xAHK/cAIlBnH6+Q OVR4CXrnJIHXjaFF/maHQeblsM2vgO7zIkE+VsH1oqcwPKJiR3MPx956EsUvwJN/ 2smqz0dMV+S/qHntgGpKpVOxlywaW2WlBZPaRipyDcPkQFN07Baex4J5SD+rLcoi HNn10SRxxeUltfzysQ2sADEQQ1fEGvthyIk7Vw85LLlo3fUNqQPNhAUqO3/WyZ66 EEWS7iO625MYNkIFU1r0o3mlJa+Csw7WIKHcEC+sOxUYq9vqAx/HhaSDIPFyJXiX EJW0IHcyVv0qgN+RskRYGNQN+I86NXFE9YTqJqH4Kmw3ythX76UC1SmDhWN9zXsO qmb92gqmyI8= =9IEs -----END PGP SIGNATURE-----