Vulnerability Details : CVE-2020-25690
An out-of-bounds write flaw was found in FontForge in versions before 20200314 while parsing SFD files containing certain LayerCount tokens. This flaw allows an attacker to manipulate the memory allocated on the heap, causing the application to crash or execute arbitrary code. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Vulnerability category: OverflowExecute code
Products affected by CVE-2020-25690
- cpe:2.3:a:fontforge:fontforge:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-25690
0.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-25690
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-25690
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: secalert@redhat.com (Primary)
References for CVE-2020-25690
-
https://bugzilla.redhat.com/show_bug.cgi?id=1893188
1893188 – (CVE-2020-25690) CVE-2020-25690 fontforge: SFD_GetFontMetaData() insufficient CVE-2020-5395 backportIssue Tracking;Patch;Third Party Advisory
Jump to