CVE-2020-10967 - log back

CVE-2020-10967 edited at 18 May 2020 14:05:37
Description
- A security issue has been found in Dovecot before 2.3.10.1 in the lmtp/submission component. An authenticated attacker could send an e-mail with empty quoted localpart which would cause the submission or lmtp component to crash.
+ A security issue has been found in Dovecot before 2.3.10.1 in the lmtp/submission component. An authenticated attacker could send an e-mail via the submission service with empty quoted localpart which would cause the submission or lmtp component to crash. An unauthenticated attacker could send an e-mail with a bad sender or recipient address, causing the e-mail to be passed to LMTP for delivery and then crash the LMTP component unless some kind of filtering has been set up on the MTA level.
CVE-2020-10967 edited at 18 May 2020 14:03:50
Description
- A security issue has been found in Dovecot before 2.3.10.1 in the lmtp/submission component. Issuing the RCPT command with an address that has the empty quoted string as local-part causes the lmtp service to crash.
+ A security issue has been found in Dovecot before 2.3.10.1 in the lmtp/submission component. An authenticated attacker could send an e-mail with empty quoted localpart which would cause the submission or lmtp component to crash.
CVE-2020-10967 edited at 18 May 2020 13:59:58
References
- https://dovecot.org/pipermail/dovecot-news/2020-May/000437.html
+ https://dovecot.org/pipermail/dovecot-news/2020-May/000438.html
https://github.com/dovecot/core/commit/063462d588eaea6f266596fae5f5470792dcc98d
https://github.com/dovecot/core/commit/b34002a4ca301ed94cd944ee3504287ed7e58031
https://github.com/dovecot/core/commit/92d9690da195b6ceaa878ab1df6c7c31a75f63f8
https://github.com/dovecot/core/commit/cbab48f174580bfb8d49321d8d336f96a231b0cd
CVE-2020-10967 edited at 18 May 2020 13:51:52
References
https://dovecot.org/pipermail/dovecot-news/2020-May/000437.html
+ https://github.com/dovecot/core/commit/063462d588eaea6f266596fae5f5470792dcc98d
+ https://github.com/dovecot/core/commit/b34002a4ca301ed94cd944ee3504287ed7e58031
+ https://github.com/dovecot/core/commit/92d9690da195b6ceaa878ab1df6c7c31a75f63f8
+ https://github.com/dovecot/core/commit/cbab48f174580bfb8d49321d8d336f96a231b0cd
CVE-2020-10967 edited at 18 May 2020 13:49:37
Severity
- Unknown
+ Medium
Remote
- Unknown
+ Remote
Type
- Unknown
+ Denial of service
Description
+ A security issue has been found in Dovecot before 2.3.10.1 in the lmtp/submission component. Issuing the RCPT command with an address that has the empty quoted string as local-part causes the lmtp service to crash.
References
+ https://dovecot.org/pipermail/dovecot-news/2020-May/000437.html
Notes
CVE-2020-10967 created at 18 May 2020 13:38:06