CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
A vulnerability was found in Apache SpamAssassin 3.4.2 (Anti-Spam Software). It has been declared as problematic. This vulnerability affects some unknown processing of the component Meta Rule Syntax Handler. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
The bug was discovered 09/16/2018. The weakness was shared 09/17/2018 by Security Team with cPanel (Website). The advisory is shared for download at lists.apache.org. This vulnerability was named CVE-2018-11781 since 06/05/2018. The attack needs to be approached locally. Required for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 117840 (Fedora 27 : spamassassin (2018-6ed251c42b)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157821 (Oracle Enterprise Linux Security Update for spamassassin (ELSA-2018-2916)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (117840). The entries 124134 and 124143 are related to this item.
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: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
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: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Code injectionCWE: CWE-94 / CWE-74 / CWE-707
ATT&CK: T1059
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: 117840
Nessus Name: Fedora 27 : spamassassin (2018-6ed251c42b)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
06/05/2018 🔍09/16/2018 🔍
09/17/2018 🔍
09/17/2018 🔍
09/17/2018 🔍
09/18/2018 🔍
09/29/2018 🔍
10/01/2018 🔍
05/16/2023 🔍
Sources
Vendor: apache.orgAdvisory: FEDORA-2018-6ed251c42b
Researcher: Security Team
Organization: cPanel
Status: Confirmed
CVE: CVE-2018-11781 (🔍)
SecurityFocus: 105373 - Apache SpamAssassin CVE-2018-11780 Remote Code Execution Vulnerability
See also: 🔍
Entry
Created: 09/18/2018 07:05Updated: 05/16/2023 15:17
Changes: 09/18/2018 07:05 (75), 03/24/2020 15:18 (7), 05/16/2023 15:11 (4), 05/16/2023 15:17 (1)
Complete: 🔍
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