CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.5 | $0-$5k | 0.04 |
A vulnerability was found in Exim (Mail Server Software) (affected version not known) 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.
The vulnerability scanner Nessus provides a plugin with the ID 209857 (Debian dla-3938 : exim4 - security update), which helps to determine the existence of the flaw in a target environment.
Applying the patch 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2 is able to eliminate this problem. The bugfix is ready for download at git.exim.org.
The vulnerability is also documented in the vulnerability database at Tenable (209857).
Product
Type
Name
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: 5.6VulDB 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
CAPEC: 🔍
ATT&CK: 🔍
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 |
Nessus ID: 209857
Nessus Name: Debian dla-3938 : exim4 - security update
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2
Timeline
10/17/2022 🔍10/17/2022 🔍
10/17/2022 🔍
10/29/2024 🔍
Sources
Advisory: 2915Status: Confirmed
CVE: CVE-2022-3559 (🔍)
Entry
Created: 10/17/2022 05:08 PMUpdated: 10/29/2024 12:58 PM
Changes: 10/17/2022 05:08 PM (40), 10/19/2022 07:15 AM (14), 11/09/2022 08:50 PM (2), 11/09/2022 08:58 PM (21), 10/29/2024 12:58 PM (16)
Complete: 🔍
Cache ID: 18:7B8:40
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