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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.6010 phpseclib security update 18 November 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: phpseclib Publisher: Debian Operating System: Debian GNU/Linux Resolution: Patch/Upgrade CVE Names: CVE-2021-30130 Original Bulletin: https://www.debian.org/lts/security/2022/dla-3197 Comment: CVSS (Max): 7.5 CVE-2021-30130 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) CVSS Source: NVD Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3197-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Sylvain Beucler November 17, 2022 https://wiki.debian.org/LTS - - ------------------------------------------------------------------------- Package : phpseclib Version : 1.0.19-3~deb10u1 CVE ID : CVE-2021-30130 It was discovered that phpseclib, a pure-PHP implementation of various cryptographic and arithmetic algorithms (v1), mishandles RSA PKCS#1 v1.5 signature verification. An attacker may get invalid signatures accepted, bypassing authorization control in specific situations. For Debian 10 buster, this problem has been fixed in version 1.0.19-3~deb10u1. We recommend that you upgrade your phpseclib packages. For the detailed security status of phpseclib please refer to its security tracker page at: https://security-tracker.debian.org/tracker/phpseclib 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----- iQIzBAEBCgAdFiEE1vEOfV7HXWKqBieIDTl9HeUlXjAFAmN2WhYACgkQDTl9HeUl XjApug//Qg+aGm10ZrtEdV0Z9mZQtND8pGYnTEafaSsJxJTbwjhdh3M6quvgnrlk nbrFxCnAD+En25ZwXuWCPKcdWhw/G+NCGihDOu/7GhKoaPqtL3RDIyhzY+SxQyPU Vjd60A9xL2LHzeE8Hmcb19EpGAS0udu0AZ/ew0rEmVAUYPvkyvygBTEM/NXxpG4F dKqHuDkl4C5LlUTyI8VPCgj7eosWQ+SGx1qryWfgMoDelyJn3HvIy58H67RSYyPq J2/hsZPcr2sm2l+CTTg1pG5GrBZiP7BksRUXlAcdMYrl9dzJAwzVTbL9FDEB9f37 FKPjicWjPw9+P+5xh9NQ0d4G2UBJSYBs+YKK/FbanpnFBuF53tpZF6SEN+RcVlDS /cqcetxp2SSU1rNQ7TOu2oUQam5Q+4lm3l9nzP+L+9aIE53DJn3W4zfRUp+e1td4 HpJesWokXkLJq5LEryHCvxive8qZGIcM4ogS58ScwARgw9gUt5U/SLJDUxMs58V1 UXS1ws4j50aTMV85Kgy5MNLx/RmkqlgHNHECJ5KIzOtly6+AWQoXfjjbZNp3aWW8 MH4lIWY0Dk1LclY/GfCBADxRQjFROUBNUAGc87P4feWACayaIjeTK+qyyRdzfXAA HplWWYTkh9kOcjAfwqi0IG49RR5U9veJwY+/dqd6CP3j8W3b6pQ= =NHnH - -----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: https://auscert.org.au/gpg-key/ iQIVAwUBY3bxTckNZI30y1K9AQiciBAAtOkKpdh0qP25O4cLuDDlE5AJPQTAb90Z JxRXrLJsJFnISa4sl1VYMByobvTHWYCJMxkmsOF60JjHUfsdgb3ygl7PoM8KZ3yA 1PHtiqAFWvW7c2jWqc1w/cuJzxx0Ph+MagrjsXenuJrw4n5pBQqVgF+kPUdWiJED ILf5kgkFfCzK87zwY2YroXSpKzmo05o6Y9PlRpMeVTE2X8AfdboufB9hvEW2pu5y IAdhV/lwDHZeZpze6TkQi1tLunPvAoO8tC2KmwfFaLl8C0ZQHLBQUT6X7ZuqwONQ y7pG7+ALhFvEkHh/otuVNBGbF92ePUfxmx+Sos/V0+GOcDnDOO4AV8BR6eVnmPRd PKA9enGPU3DUm2FM/hxubG6kbeaRCVG9CFdbGHOI5/relRK1n2nB8SM7AdjqCvat t7fC16XL76FH/rem3HofaAacpQFibP2FWKFq12Hd2VjU1FiHBeNBMIYONtIKNqQ6 QySTIagLDRcXqOBKdyzArOOREDa5xiW/74qRjbPvtumdiUdfaaqsBteyOBKaa6Ir w7lw6ii9/a9sHFWB40rojc+TS6dIVX3fCyi0jC1VBj52Gda4oQocFUc2y6jU0T1d fRetFvyNeEma2kxP5FUsDMmmSx/hfZmb0l4ijPfuRi3oGHDexKICbhzaF2x8RdBn YwhKiKnIWTY= =4NuJ -----END PGP SIGNATURE-----