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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.6856 lwip security update 20 November 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: lwip Publisher: Debian Operating System: Debian GNU/Linux Resolution: Patch/Upgrade CVE Names: CVE-2020-22283 Original Bulletin: https://lists.debian.org/debian-lts-announce/2023/11/msg00011.html Comment: CVSS (Max): 7.5 CVE-2020-22283 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) CVSS Source: NIST Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - --------------------------BEGIN INCLUDED TEXT-------------------- - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3655-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Tobias Frost November 18, 2023 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package : lwip Version : 2.0.3-3+deb10u2 CVE ID : CVE-2020-22283 Debian Bug : 991646 A buffer overflow vulnerability has been found in lwip, a small independent implementation of the TCP/IPv4/IPv6 protocol suite, which allows an attacker to access information via a crafted ICMPv6 package. This vulnerability has been assigned CVE-2020-22283. For Debian 10 buster, this problem has been fixed in version 2.0.3-3+deb10u2. We recommend that you upgrade your lwip packages. For the detailed security status of lwip please refer to its security tracker page at: https://security-tracker.debian.org/tracker/lwip 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 - --------------------------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: https://auscert.org.au/gpg-key/ iQIVAwUBZVq53skNZI30y1K9AQiJZxAArpkr9gYs8bJJi7MqL/iphr5Z6yvY5j/t e5LpDD7HZi2TSOL0Rd3dxUcZHjUDrjRJ/wa/jm9Cu2rnJEtzqLaG0k/3SMMX2gYv 30Lq5568KKgfw+6D2DmGEEZkQPJK0xmJ3ZStzNoENf6VS2k/FhuiHZTljZWZ6a4f eLa84oGRYHLqo0giYcCD1C6uae8FRQA2I191n/KnazsqXtCyIl+DK+SXEUXKXuAs 1heCFAYzm2cVfuNGPTxakaRdbjGbzirCpa8QPPTQtYQrOeFvNzfO/RU3/3+ZAN/b rzeRoltMpZk0vp1bNOnKVBZlO9fzEFKi2FE/qK2TPdjWQy2W+abJE/H8rPUVmz1d tL7JjooJuE0N1SAZVNH+rCvcqyrEUeTMZ2hKXJzcXbyid/ztlrB0ot5ds43BNA81 vnwaMOVBiVmIOpQy3Hng/kmY6mF1s4ANlzoYgyEmzSyFVNK7EZGAf6fto3rCg21F 43oqtjaaiWZznYbLGGGP8JDlXz4JChxvl4HFX78OrmivwnlXTh4lK7ljweqXD7zu Crg8zWa749Ze97dHn0lu0pqrDAvDmPk91VvcF8LJwJ8ENGWD3WQpcL4HQk9mJy+P yX/J7xmcQopwiWfMzFh5uyLtgot50MwWHlO09hcWA/AdlN+5S2kCu4YTPEiidLAU rfhgaqboK5c= =fk1o -----END PGP SIGNATURE-----