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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2577 USN-5027-1: PEAR vulnerability 30 July 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: PEAR Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Overwrite Arbitrary Files -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2021-32610 Reference: ESB-2021.2533 Original Bulletin: https://ubuntu.com/security/notices/USN-5027-1 - --------------------------BEGIN INCLUDED TEXT-------------------- USN-5027-1: PEAR vulnerability 29 July 2021 PEAR could be made to overwrite files as the administrator. Releases o Ubuntu 21.04 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS Packages o php-pear - PHP Extension and Application Repository Details It was discovered that PEAR incorrectly handled symbolic links in archives. A remote attacker could possibly use this issue to execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04 o php-pear - 1:1.10.9+submodules+notgz-1.1ubuntu1.1 Ubuntu 20.04 o php-pear - 1:1.10.9+submodules+notgz-1ubuntu0.20.04.3 Ubuntu 18.04 o php-pear - 1:1.10.5+submodules+notgz-1ubuntu1.18.04.4 In general, a standard system update will make all the necessary changes. References o CVE-2021-32610 - --------------------------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 iQIVAwUBYQN3JONLKJtyKPYoAQjlhw/+PXiV2t+JTVBg3E9g8bc54BqCSiwt7nwb /YuoJCnUF5WPj6xkKpDf8NQOeKIN5lTTDd1W8HbQBRyOmYSdSIRQnAVoPN9QUxON 5VSaQdyUB3JUN53aRr9PARocrGWEaeyF1Mn0xo4+OkxHFX/wsP11S5N1jfAakYMG 0qfzCPs7Y80E2qDhML3TGTxSoig6cWPKHHVK1cSFuvnJCVbWieTFXXhVu3aEJlQy rh5yDp1ybof7dEPvLdhdO0yB4Qmr6sN5VnDAVA/mcemIQljEfJW4lP/Q4VfA8+QB PcvgJ3ssELdhond44pz50P2+owPXPfUsCRCxT5sX+NQPwDykh5LEoeKS1eQsoQhq b5DvC7A0nryDvInhQDPq4cmGDLIE3nH3leIkNWLiTrn3SnmWQ3WerX6fEinteilQ lY1orOEZ4nCFReXRL4REnB6Q9crM+jLsz91WHDesTcesK+rQWhiK9gW1CK3yEIQ0 4Im9xNtGMKLDcG+eNxd8MNJNX4g9p2bTDF1U3z6bfkq0h6tG5rQlHKfeIy0zHzvD zTSPXeuKOYUA/U8ydqlEJdI+N514i99Gtm8k1hr59fDfC/ckdZpPyMWtCCMPO1c8 nYut/YQC1nnSkD+6T/8DeQ2AfFkB7grB/byntoZ9W1IwGRm0rjLbd5kH/Wul23LR yMSBVunTi+o= =M/kD -----END PGP SIGNATURE-----