| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
A vulnerability was found in Exim (Mail Server Software) (unknown version) and classified as problematic. This issue affects some unknown functionality of the component Regex Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.
The weakness was presented 10/17/2022 as 2915 as confirmed bug (Website). The advisory is shared at bugs.exim.org. The identification of this vulnerability is CVE-2022-3559. The exploitation is known to be difficult. Neither technical details nor an exploit are publicly available.
Applying the patch 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2 is able to eliminate this problem. The bugfix is ready for download at git.exim.org.
Product
Type
Name
License
- open-source
CPE 2.3
CPE 2.2
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.5
VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔒
CNA Base Score: 4.6
CNA Vector (VulDB): 🔒
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: Use after freeCWE: CWE-416 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
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: PatchStatus: 🔍
0-Day Time: 🔒
Patch: 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2
Timeline
10/17/2022 Advisory disclosed10/17/2022 CVE reserved
10/17/2022 VulDB entry created
11/09/2022 VulDB last update
Sources
Advisory: 2915Status: Confirmed
CVE: CVE-2022-3559 (🔒)
Entry
Created: 10/17/2022 17:08Updated: 11/09/2022 20:58
Changes: 10/17/2022 17:08 (40), 10/19/2022 07:15 (14), 11/09/2022 20:50 (2), 11/09/2022 20:58 (21)
Complete: 🔍
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