Tildeslash Monit up to 5.25.2 util.c Util_urlDecode POST Parameter memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.0 | $0-$5k | 0.00 |
A vulnerability was found in Tildeslash Monit up to 5.25.2 and classified as critical. This issue affects the function Util_urlDecode
of the file util.c. The manipulation as part of a POST Parameter leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
A buffer over-read in Util_urlDecode in util.c in Tildeslash Monit before 5.25.3 allows a remote authenticated attacker to retrieve the contents of adjacent memory via manipulation of GET or POST parameters. The attacker can also cause a denial of service (application outage).
The bug was discovered 03/04/2019. The weakness was released 04/22/2019 (Website). The advisory is shared at lists.fedoraproject.org. The identification of this vulnerability is CVE-2019-11455 since 04/22/2019. The attack may be initiated remotely. A simple authentication is required for exploitation. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197454 (Ubuntu Security Notification for Monit Vulnerabilities (USN-3971-1)).
Upgrading to version 5.25.3 eliminates this vulnerability.
Entry connected to this vulnerability is available at 133960.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.2VulDB Meta Temp Score: 7.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
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 |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Monit 5.25.3
Timeline
03/04/2019 🔍04/22/2019 🔍
04/22/2019 🔍
04/23/2019 🔍
09/06/2023 🔍
Sources
Advisory: USN-3971-1Status: Confirmed
CVE: CVE-2019-11455 (🔍)
See also: 🔍
Entry
Created: 04/23/2019 09:02Updated: 09/06/2023 14:23
Changes: 04/23/2019 09:02 (61), 06/01/2020 12:21 (2), 09/06/2023 14:23 (4)
Complete: 🔍
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