| Vulnerability Name: | CVE-2020-36149 (CCN-196843) |
| Assigned: | 2020-08-26 |
| Published: | 2020-08-26 |
| Updated: | 2021-03-10 |
| Summary: | Incorrect handling of input data in changeAttribute function in the libmysofa library 0.5 - 1.1 will lead to NULL pointer dereference and segmentation fault error in case of restrictive memory protection or near NULL pointer overwrite in case of no memory restrictions (e.g. in embedded environments).
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| CVSS v3 Severity: | 6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): High |
|
| CVSS v2 Severity: | 4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial |
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)| Exploitability Metrics: | Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete |
|
| Vulnerability Type: | CWE-476
|
| Vulnerability Consequences: | Denial of Service |
| References: | Source: MITRE
Type: CNA
CVE-2020-36149
Source: XF
Type: UNKNOWN
libmysofa-cve202036149-dos(196843)
Source: CCN
Type: libmysofa GIT Repository
NULL pointer dereference in changeAttribute #137
Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/hoene/libmysofa/issues/137
Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2021-4e40ccb5e6
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| Vulnerable Configuration: | Configuration 1:
cpe:/a:symonics:libmysofa:*:*:*:*:*:*:*:* (Version >= 0.5 and <= 1.1)
Configuration 2:
cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Configuration CCN 1:
cpe:/a:symonics:libmysofa:0.6:*:*:*:*:*:*:*OR cpe:/a:symonics:libmysofa:0.9.1:*:*:*:*:*:*:*OR cpe:/a:symonics:libmysofa:0.5:*:*:*:*:*:*:*OR cpe:/a:symonics:libmysofa:0.7:*:*:*:*:*:*:*OR cpe:/a:symonics:libmysofa:0.8:*:*:*:*:*:*:*OR cpe:/a:symonics:libmysofa:0.9:*:*:*:*:*:*:*OR cpe:/a:symonics:libmysofa:1.0:*:*:*:*:*:*:*OR cpe:/a:symonics:libmysofa:1.1:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
| Oval Definitions |
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