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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2637 asterisk security update 5 August 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: asterisk Publisher: Debian Operating System: Debian GNU/Linux Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-32558 Reference: ESB-2021.2517 Original Bulletin: https://www.debian.org/lts/security/2021/dla-2729 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 - - ------------------------------------------------------------------------- Debian LTS Advisory DLA-2729-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Chris Lamb August 04, 2021 https://wiki.debian.org/LTS - - ------------------------------------------------------------------------- Package : asterisk Version : 1:13.14.1~dfsg-2+deb9u5 CVE ID : CVE-2021-32558 Debian Bug : #991710 It was discovered that there was an issue in the Asterisk telephony system. If the IAX2 channel driver received a packet that contained an unsupported media format, a crash could have occured. For Debian 9 "Stretch", this problem has been fixed in version 1:13.14.1~dfsg-2+deb9u5. We recommend that you upgrade your asterisk packages. For the detailed security status of asterisk please refer to its security tracker page at: https://security-tracker.debian.org/tracker/asterisk In addition, Asterisk are tracking this issue as "AST-2021-008". 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----- iQIzBAEBCAAdFiEEwv5L0nHBObhsUz5GHpU+J9QxHlgFAmEKZpAACgkQHpU+J9Qx HlhhEhAAlcjpCSQLxxyLjE6KNGAutZtPmrYi/Rq8vLQBGlgwZObddZhPfZwJsUaz lDwn+8EHyB8bfEbO7NlLcfYDBBeNAW4/hppXYFrh6CMvXiPRfWbZmaGeuFfatNcs Bggrfyp1gGjjZiFZHA2na7BgYMAoLF5z0OJ0Bp2WXvyUN6trKAhUXEc07WTSplDt c/gEWvw7rPvrDr7EKSaVJov1nVLMIWO3S9jfWrd3nllUyIPCwEQYhZo17akttaox e+yxOPHesC0gojbl8zeOwkH9x7gVDrHGc2ZLcB2Q2+o3s4n96+HwDFSeS+FhYEyo ZwGbEwKGJiVKzZ8zm5WiDmyaQ/5gQoCsbewr6icH8Fs9liPDBovawy2r/fWfjb07 dHCU3iKMXem1l3U8qexyESh0H4skGNF6yTqX9BLMavHMUslPz/hYKC+y94s464GL CKLuPGJETzphNE4gQyF2+t0KxLy1FzW1oSCC0RaST9xPjvth99wc6ZYIbHfdhvS5 5paFZOQkXZgOFCKcZH1xgX/V9Ah6OUn21F4HD4s7ADkRZTBfVKDAzLNV8JMB9Dy6 ohU+U9K0qV53z+TWz2Ktsm1HMk2mcx4pXQokHIsKM3hsF5zXs/p7i6Tl5KDUzOQ8 aXlPVYxTeRI5Cb9H17q5SQKmNSrSExTXh0IFDi2Qcg5n8UaqtLg= =bcqj - -----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 iQIVAwUBYQtlfuNLKJtyKPYoAQht9Q/8Dx912hCN9rgMghqemAUtv+3Lk1TR4yn8 P8SXCyMusNFawx4l1EgPy9lHoaI1ULk1ciT7Ktju6IbYZyT7UHNGKAwcT2EL8QOt CXTeJm46FK5Vye8+eMwbLlI5lsk99+zsGyeZEDFiD89VYwwgI2b4Rrb8SnjnuUir MRMoZLnfGVx78RTdRXt0M2uuFI+38YozZMqKgAkI9zozsI9kKaSwz/nZCa6Pznzi 5WP8bdVhaG2N3eF9zAZPgbFS9jGaUUTexH2U2TTgI978UtPWOcqWxl47i0fsiVXt +WFXrFlILTjnigAbu67ryDBdXH/keKScC1s80CskjYwyR2ii36+VPO3KL29JWqJq w7hATLikLGKp6KX3bv0+jtiRUF0JeDN+oaGdWBjZK25EhdKTOz8EL32Upmn3brb8 olVMQt+558SGpjG2DRrsJBBYn4YLC5YFeYpM1IDI1YzocpxYGVgVyhi4/MHtbxfc TOGkHPAwOLE8bVvHyZIvDLDnsaM3Ej+1xENRq56xuf1I+GN9Gjtns+Vkm5gCRGv8 Ey2yC57xYFKooYvkwOG/Q6s/PTmKTzqccqpC4v5K/kOA8whXC6qxTb+kYLKuP9NG FDK1mmgb/ff5rmWMSLuetMkoz5kBUbpPksgE3x4yZFB6Kw+Z5tjQeINPzZF3AW0K x387r+It2lU= =rxu6 -----END PGP SIGNATURE-----