{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"critical"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2021-32766","title":"Title"},{"category":"description","text":"Nextcloud Text is an open source plaintext editing application which ships with the nextcloud server. In affected versions the Nextcloud Text application returned different error messages depending on whether a folder existed in a public link share. This is problematic in case the public link share has been created with \"Upload Only\" privileges. (aka \"File Drop\"). A link share recipient is not expected to see which folders or files exist in a \"File Drop\" share. Using this vulnerability an attacker is able to enumerate folders in such a share. Exploitation requires that the attacker has access to a valid affected \"File Drop\" link share. It is recommended that the Nextcloud Server is upgraded to 20.0.12, 21.0.4 or 22.0.1. Users who are unable to upgrade are advised to disable the Nextcloud Text application in the app settings.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2021-32766","url":"https://www.suse.com/security/cve/CVE-2021-32766"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1190291 for CVE-2021-32766","url":"https://bugzilla.suse.com/1190291"},{"category":"external","summary":"Advisory link for 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In affected versions the Nextcloud Text application returned different error messages depending on whether a folder existed in a public link share. This is problematic in case the public link share has been created with \"Upload Only\" privileges. (aka \"File Drop\"). A link share recipient is not expected to see which folders or files exist in a \"File Drop\" share. Using this vulnerability an attacker is able to enumerate folders in such a share. Exploitation requires that the attacker has access to a valid affected \"File Drop\" link share. It is recommended that the Nextcloud Server is upgraded to 20.0.12, 21.0.4 or 22.0.1. Users who are unable to upgrade are advised to disable the Nextcloud Text application in the app settings.","title":"CVE description"}],"product_status":{"recommended":["SUSE Package Hub 12:nextcloud-20.0.12-31.1","SUSE Package Hub 12:nextcloud-apache-20.0.12-31.1","SUSE Package Hub 15 SP1:nextcloud-20.0.12-bp151.3.18.1","SUSE Package Hub 15 SP1:nextcloud-apache-20.0.12-bp151.3.18.1","SUSE Package Hub 15 SP2:nextcloud-20.0.12-bp152.2.12.1","SUSE Package Hub 15 SP2:nextcloud-apache-20.0.12-bp152.2.12.1","SUSE Package Hub 15 SP3:nextcloud-20.0.12-bp153.2.6.1","SUSE Package Hub 15 SP3:nextcloud-apache-20.0.12-bp153.2.6.1","openSUSE Leap 15.2:nextcloud-20.0.12-lp152.3.12.1","openSUSE Leap 15.2:nextcloud-apache-20.0.12-lp152.3.12.1","openSUSE Leap 15.3:nextcloud-20.0.12-bp153.2.6.1","openSUSE Leap 15.3:nextcloud-apache-20.0.12-bp153.2.6.1"]},"references":[{"category":"external","summary":"CVE-2021-32766","url":"https://www.suse.com/security/cve/CVE-2021-32766"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1190291 for CVE-2021-32766","url":"https://bugzilla.suse.com/1190291"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1250-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/KB2IJ2VSI6P5WFS6XKMPAPGT6545U4WN/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1252-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/5PSLXDEBLEPENTY4PS62BFVL7QHFQ2RC/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1253-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/KTAQAEILOXFUPY3SZFAMY4NQGD5OXQX3/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1255-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/FGLFYZROCOIJAG7C45FNC4EUIMNFJRIL/"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1275-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/4MPG3PDTQCC4GNWH7SOI44CK2TZJDN5R/"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Package Hub 12:nextcloud-20.0.12-31.1","SUSE Package Hub 12:nextcloud-apache-20.0.12-31.1","SUSE Package Hub 15 SP1:nextcloud-20.0.12-bp151.3.18.1","SUSE Package Hub 15 SP1:nextcloud-apache-20.0.12-bp151.3.18.1","SUSE Package Hub 15 SP2:nextcloud-20.0.12-bp152.2.12.1","SUSE Package Hub 15 SP2:nextcloud-apache-20.0.12-bp152.2.12.1","SUSE Package Hub 15 SP3:nextcloud-20.0.12-bp153.2.6.1","SUSE Package Hub 15 SP3:nextcloud-apache-20.0.12-bp153.2.6.1","openSUSE Leap 15.2:nextcloud-20.0.12-lp152.3.12.1","openSUSE Leap 15.2:nextcloud-apache-20.0.12-lp152.3.12.1","openSUSE Leap 15.3:nextcloud-20.0.12-bp153.2.6.1","openSUSE Leap 15.3:nextcloud-apache-20.0.12-bp153.2.6.1"]}],"scores":[{"cvss_v3":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"products":["SUSE Package Hub 12:nextcloud-20.0.12-31.1","SUSE Package Hub 12:nextcloud-apache-20.0.12-31.1","SUSE Package Hub 15 SP1:nextcloud-20.0.12-bp151.3.18.1","SUSE Package Hub 15 SP1:nextcloud-apache-20.0.12-bp151.3.18.1","SUSE Package Hub 15 SP2:nextcloud-20.0.12-bp152.2.12.1","SUSE Package Hub 15 SP2:nextcloud-apache-20.0.12-bp152.2.12.1","SUSE Package Hub 15 SP3:nextcloud-20.0.12-bp153.2.6.1","SUSE Package Hub 15 SP3:nextcloud-apache-20.0.12-bp153.2.6.1","openSUSE Leap 15.2:nextcloud-20.0.12-lp152.3.12.1","openSUSE Leap 15.2:nextcloud-apache-20.0.12-lp152.3.12.1","openSUSE Leap 15.3:nextcloud-20.0.12-bp153.2.6.1","openSUSE Leap 15.3:nextcloud-apache-20.0.12-bp153.2.6.1"]}],"threats":[{"category":"impact","date":"2021-09-08T08:30:11Z","details":"critical"}],"title":"CVE-2021-32766"}]}