libESMTP up to 1.0.6 ntlm/ntlmstruct.c ntlm_build_type_2 out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in libESMTP up to 1.0.6. The affected element is the function ntlm_build_type_2 of the file ntlm/ntlmstruct.c. The manipulation results in out-of-bounds.
This vulnerability is cataloged as CVE-2019-19977. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability was found in libESMTP up to 1.0.6. It has been classified as critical. Affected is the function ntlm_build_type_2 of the file ntlm/ntlmstruct.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
libESMTP through 1.0.6 mishandles domain copying into a fixed-size buffer in ntlm_build_type_2 in ntlm/ntlmstruct.c, as demonstrated by a stack-based buffer over-read.
The weakness was shared 12/26/2019. This vulnerability is traded as CVE-2019-19977 since 12/26/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.5
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/26/2019 🔍12/26/2019 🔍
12/26/2019 🔍
03/17/2024 🔍
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2019-19977 (🔍)
GCVE (CVE): GCVE-0-2019-19977
GCVE (VulDB): GCVE-100-147714
Entry
Created: 12/26/2019 18:48Updated: 03/17/2024 07:38
Changes: 12/26/2019 18:48 (35), 12/26/2019 18:53 (17), 03/17/2024 07:38 (3)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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