{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"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-2021-32749","title":"Title"},{"category":"description","text":"fail2ban is a daemon to ban hosts that cause multiple authentication errors. In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command `mail` from mailutils package used in mail actions like `mail-whois` can execute command if unescaped sequences (`\\n~`) are available in \"foreign\" input (for instance in whois output). To exploit the vulnerability, an attacker would need to insert malicious characters into the response sent by the whois server, either via a MITM attack or by taking over a whois server. The issue is patched in versions 0.10.7 and 0.11.3. As a workaround, one may avoid the usage of action `mail-whois` or patch the vulnerability manually.","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-2021-32749","url":"https://www.suse.com/security/cve/CVE-2021-32749"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1188610 for CVE-2021-32749","url":"https://bugzilla.suse.com/1188610"},{"category":"external","summary":"Advisory link for 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In versions 0.9.7 and prior, 0.10.0 through 0.10.6, and 0.11.0 through 0.11.2, there is a vulnerability that leads to possible remote code execution in the mailing action mail-whois. Command `mail` from mailutils package used in mail actions like `mail-whois` can execute command if unescaped sequences (`\\n~`) are available in \"foreign\" input (for instance in whois output). To exploit the vulnerability, an attacker would need to insert malicious characters into the response sent by the whois server, either via a MITM attack or by taking over a whois server. The issue is patched in versions 0.10.7 and 0.11.3. As a workaround, one may avoid the usage of action `mail-whois` or patch the vulnerability manually.","title":"CVE description"}],"product_status":{"recommended":["SUSE Package Hub 15 SP1:fail2ban-0.11.2-bp151.3.3.1","SUSE Package Hub 15 SP1:monitoring-plugins-fail2ban-0.11.2-bp151.3.3.1","SUSE Package Hub 15 SP2:fail2ban-0.11.2-bp152.4.3.1","SUSE Package Hub 15 SP2:monitoring-plugins-fail2ban-0.11.2-bp152.4.3.1","SUSE Package Hub 15 SP3:fail2ban-0.11.2-bp153.2.3.1","SUSE Package Hub 15 SP3:monitoring-plugins-fail2ban-0.11.2-bp153.2.3.1","openSUSE Leap 15.2:fail2ban-0.11.2-lp152.3.3.1","openSUSE Leap 15.2:monitoring-plugins-fail2ban-0.11.2-lp152.3.3.1","openSUSE Leap 15.3:fail2ban-0.11.2-bp153.2.3.1","openSUSE Leap 15.3:monitoring-plugins-fail2ban-0.11.2-bp153.2.3.1","openSUSE Tumbleweed:fail2ban-0.11.2-3.1","openSUSE Tumbleweed:monitoring-plugins-fail2ban-0.11.2-3.1"]},"references":[{"category":"external","summary":"CVE-2021-32749","url":"https://www.suse.com/security/cve/CVE-2021-32749"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1188610 for CVE-2021-32749","url":"https://bugzilla.suse.com/1188610"},{"category":"external","summary":"Advisory link for openSUSE-SU-2021:1274-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RYBYCPVAMLJBPZO42ZMSVOQTCNN3YNQS/"}],"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 15 SP1:fail2ban-0.11.2-bp151.3.3.1","SUSE Package Hub 15 SP1:monitoring-plugins-fail2ban-0.11.2-bp151.3.3.1","SUSE Package Hub 15 SP2:fail2ban-0.11.2-bp152.4.3.1","SUSE Package Hub 15 SP2:monitoring-plugins-fail2ban-0.11.2-bp152.4.3.1","SUSE Package Hub 15 SP3:fail2ban-0.11.2-bp153.2.3.1","SUSE Package Hub 15 SP3:monitoring-plugins-fail2ban-0.11.2-bp153.2.3.1","openSUSE Leap 15.2:fail2ban-0.11.2-lp152.3.3.1","openSUSE Leap 15.2:monitoring-plugins-fail2ban-0.11.2-lp152.3.3.1","openSUSE Leap 15.3:fail2ban-0.11.2-bp153.2.3.1","openSUSE Leap 15.3:monitoring-plugins-fail2ban-0.11.2-bp153.2.3.1","openSUSE Tumbleweed:fail2ban-0.11.2-3.1","openSUSE Tumbleweed:monitoring-plugins-fail2ban-0.11.2-3.1"]}],"scores":[{"cvss_v3":{"baseScore":6.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N","version":"3.1"},"products":["SUSE Package Hub 15 SP1:fail2ban-0.11.2-bp151.3.3.1","SUSE Package Hub 15 SP1:monitoring-plugins-fail2ban-0.11.2-bp151.3.3.1","SUSE Package Hub 15 SP2:fail2ban-0.11.2-bp152.4.3.1","SUSE Package Hub 15 SP2:monitoring-plugins-fail2ban-0.11.2-bp152.4.3.1","SUSE Package Hub 15 SP3:fail2ban-0.11.2-bp153.2.3.1","SUSE Package Hub 15 SP3:monitoring-plugins-fail2ban-0.11.2-bp153.2.3.1","openSUSE Leap 15.2:fail2ban-0.11.2-lp152.3.3.1","openSUSE Leap 15.2:monitoring-plugins-fail2ban-0.11.2-lp152.3.3.1","openSUSE Leap 15.3:fail2ban-0.11.2-bp153.2.3.1","openSUSE Leap 15.3:monitoring-plugins-fail2ban-0.11.2-bp153.2.3.1","openSUSE Tumbleweed:fail2ban-0.11.2-3.1","openSUSE Tumbleweed:monitoring-plugins-fail2ban-0.11.2-3.1"]}],"threats":[{"category":"impact","date":"2021-07-16T21:44:33Z","details":"moderate"}],"title":"CVE-2021-32749"}]}