Dovecot up to 1.2.7 on Exim Input Sanitizer MAIL FROM privileges management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.8 | $0-$5k | 0.00 |
A vulnerability was found in Dovecot up to 1.2.7 on Exim (Mail Server Software). It has been classified as critical. This affects an unknown function of the component Input Sanitizer. The manipulation of the argument MAIL FROM
with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.
The bug was discovered 03/05/2003. The weakness was disclosed 05/03/2013 with RedTeam Pentesting GmbH as t-sa-2013-001 as not defined advisory (Website). It is possible to read the advisory at redteam-pentesting.de. The exploitability is told to be easy. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Technical details and a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
After immediately, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 59 days. During that time the estimated underground price was around $0-$5k.
It is possible to mitigate the problem by applying the configuration setting Remove 'use_shell' Option
. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Exploit-DB (25297). Further details are available at exploit-db.com.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.8
VulDB Base Score: 6.3
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
ATT&CK: T1068
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: ConfigStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Config: Remove 'use_shell' Option
Timeline
03/05/2003 🔍05/03/2003 🔍
05/03/2013 🔍
05/03/2013 🔍
07/31/2013 🔍
03/19/2019 🔍
Sources
Advisory: t-sa-2013-001Organization: RedTeam Pentesting GmbH
Status: Not defined
OSVDB: 93004
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
Entry
Created: 07/31/2013 14:02Updated: 03/19/2019 21:04
Changes: 07/31/2013 14:02 (53), 03/19/2019 21:04 (2)
Complete: 🔍
Committer: olku
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