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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0120.2 apache-log4j1.2 security update 18 May 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: apache-log4j1.2 Publisher: Debian Operating System: Debian GNU/Linux 8 Debian GNU/Linux 9 Debian GNU/Linux 10 Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-17571 Reference: ESB-2020.0098 Original Bulletin: https://www.debian.org/lts/security/2020/dla-2064 https://www.debian.org/security/2020/dsa-4686 Comment: This bulletin contains two (2) Debian security advisories. Revision History: May 18 2020: Vendor released updated affected OS list January 13 2020: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Package : apache-log4j1.2 Version : 1.2.17-5+deb8u1 CVE ID : CVE-2019-17571 Debian Bug : 947124 Included in Log4j 1.2, a logging library for Java, is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data. For Debian 8 "Jessie", this problem has been fixed in version 1.2.17-5+deb8u1. We recommend that you upgrade your apache-log4j1.2 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----- iQKTBAEBCgB9FiEErPPQiO8y7e9qGoNf2a0UuVE7UeQFAl4bnUZfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEFD RjNEMDg4RUYzMkVERUY2QTFBODM1RkQ5QUQxNEI5NTEzQjUxRTQACgkQ2a0UuVE7 UeQj9A//fj+646kgFmutWbGcU9MXIeSJnthH3rjSpDcAHOX0v+TseuUGqNqNgW4N 3qTXS1D9kEscy1wxwkv1R/5nwKK5EEYodsZ2+yuWTg6NenYX8N5bMJHZBTfWcHHI kw/j51SQZSn9/9kzc3jMVOMH49swen4Ke8MMlKuSd7Dymw+Y/u+Pdv+dl0G8lsIm y3oNeQSaKUx/Ctz/buG6ov1oKGas5+fTlekC9v+zdtEKNDFar0rnkumLDCzeVzYW 6DOFKyx5G463w05YvWVJJuelUuRO1QcsQUF2y5Y8ujUcz02da1V3tH2hDqIM0IJS dJXrzGsperSeAAPUr5uu93vw7PDlzDlnCbfN7NGGY/AH0XoO27fxuORbtkMI7xmM cG7nqGI4AJuR/8svbQfYtvrYSCfpctLvO6gB5kCOpB042bujYdPK2Iqgm6jD9vjT 4EOATCZGw4nyNohTWNTJAZpESP2IsBw7yIVZlXs/1CRbRjAia9IqRVj7skRnYg5V C9zvRIZ6xnyPwbLBbjkWyTlFCL9Y6/roKpG1lOQkpyEZzC2lUjGq499Gpj2Uh34p WHppDDCBE71lETSAtdK5+AnboDmoPzPr8flskmdAdChccfhdrB/lHzLFzOI6AtV2 bAqncXYWvuDba6hURO0Cw+YybU1T3/ND29n0UqX1gOIDvXFayQI= =Fs7B - -----END PGP SIGNATURE----- - ----------------------------------------------------------------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4686-1 security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso May 16, 2020 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : apache-log4j1.2 CVE ID : CVE-2019-17571 Debian Bug : 947124 It was discovered that the SocketServer class included in apache-log4j1.2, a logging library for java, is vulnerable to deserialization of untrusted data. An attacker can take advantage of this flaw to execute arbitrary code in the context of the logger application by sending a specially crafted log event. For the oldstable distribution (stretch), this problem has been fixed in version 1.2.17-7+deb9u1. For the stable distribution (buster), this problem has been fixed in version 1.2.17-8+deb10u1. We recommend that you upgrade your apache-log4j1.2 packages. For the detailed security status of apache-log4j1.2 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/apache-log4j1.2 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEERkRAmAjBceBVMd3uBUy48xNDz0QFAl6/FH1fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDQ2 NDQ0MDk4MDhDMTcxRTA1NTMxRERFRTA1NENCOEYzMTM0M0NGNDQACgkQBUy48xND z0RAJQ/9HLo721J7x4kWxFiWIP0Ui1xl8ZM6MBhA8qYfUD4DxKoHHfvYEq6Q7TTD +FlTX5rRrjvgHF+MgxG1XDHtwv7XWhczEiHzZKHLCX3CsG+AL+CMmGoVqBtKEncC FGYbVCSKYzxM8LaX2G1EyCzT2zfGZvPT5nFT7zAV0Ge6vpvWklF0s168h4pbG9hE cF6aPqAlWMy5pLVRI+3XE1og4MECjqXB9a7HSWlHfur6NSnQlrHhWOCDJBw5zpPu AKEfW5GvBaCdxdat1xTFqCu6h5387dtNsBlRrefp9q+fcrGj2Z351Lv7ccG5Co8T e/7iNyABu2fmi8x4WFQwS3PY4AsM/2sa+KHfXnttSXcQniXAccg6S1eCaWVqdNfZ 3LPmeBC5gX3UqDNZTVv+kvHvv7EsD1/6bMeVZlKQZkYAeysbLWdjkA+88f6kaVwD qv6mWCGo5k7ZoWCUKD1Zjz8VwBT4EI/2II5D93QgblVkHDX9CESfipIjJBJp7aJ7 wS2kvdXOko3JDaJbScpGmCnjCb5NhJ1KiBZSzXYHv3uhoqlI5QvYvC1bFHqC2GnT cF4syuMELN6nZ/Yoz8sJiT4Ilppz98vLerHbJoJZIPEOh15k8UKaFkdt5CpI8MGK 4+sL2iWyTtCjGYGuhDkk0KyLcqijybv282VIkXDtAetpi8MTdsE= =eH9L - -----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). 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