Eric Allman Sendmail 8.8/8.8.1/8.8.2/8.8.3 Forward File privileges management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.7 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, has been found in Eric Allman Sendmail 8.8/8.8.1/8.8.2/8.8.3 (Mail Server Software). This issue affects an unknown code block of the component Forward File Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
sendmail allows local users to write to a file and gain group permissions via a .forward or :include: file.
The issue has been introduced in 09/26/1996. The weakness was released 12/03/1996. The identification of this vulnerability is CVE-1999-0129. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
The vulnerability was handled as a non-public zero-day exploit for at least 67 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 11349 (Sendmail < 8.8.4 Group Write File Hardlink Privilege Escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SMTP problems.
Upgrading to version 8.8.4 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (213) and Tenable (11349). Entry connected to this vulnerability is available at 13785.
Product
Type
Vendor
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: 5.9VulDB Meta Temp Score: 5.7
VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 11349
Nessus Name: Sendmail < 8.8.4 Group Write File Hardlink Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 11349
OpenVAS Name: Sendmail Group Permissions Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Sendmail 8.8.4
Timeline
09/26/1996 🔍12/02/1996 🔍
12/03/1996 🔍
12/03/1996 🔍
12/03/1996 🔍
01/21/2003 🔍
03/11/2003 🔍
06/17/2014 🔍
06/23/2021 🔍
Sources
Status: Not definedCVE: CVE-1999-0129 (🔍)
X-Force: 213
Vulnerability Center: 670 - Berkeley Sendmail Allows Local Users to Gain Group Permissions, Low
SecurityFocus: 715
See also: 🔍
Entry
Created: 06/17/2014 17:45Updated: 06/23/2021 02:36
Changes: 06/17/2014 17:45 (61), 07/03/2017 09:12 (7), 06/23/2021 02:36 (3)
Complete: 🔍
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