Vulnerability · Published Feb 6, 2023 · Assigned by GitHub_M

CVE-2023-23944Nexcloud Mail app temporarily stores cleartext password in database

Low 2.0

In plain English

A low-severity security flaw in security-advisories from nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)2.0Low

Exploit odds (30 days)0.5%top 58.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Nextcloud mail is an email app for the nextcloud home server platform. In versions prior to 2.2.2 user's passwords were stored in cleartext in the database during the duration of OAuth2 setup procedure. Any attacker or malicious user with access to the database would have access to these user passwords until the OAuth setup has been completed. It is recommended that the Nextcloud Mail app is upgraded to 2.2.2. There are no known workarounds for this issue.

Affected products (as reported)

Vendor	Product	Versions
nextcloud	security-advisories	< 2.2.2

Weakness: CWE-312 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g86r-x755-93f4 x_refsource_CONFIRM
https://github.com/nextcloud/mail/pull/7797 x_refsource_MISC
https://hackerone.com/reports/1806275 x_refsource_MISC