CVE-2019-20016
Sophoslib MysofaRecursive Deserialization Consumption
Description
libmysofa before 2019-11-24 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. NOTE: a download of v0.9 after 2019-12-06 should fully remediate this issue.
INFO
Published Date :
Dec. 27, 2019, 2:15 a.m.
Last Modified :
Jan. 8, 2020, 9:22 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-20016.
| URL | Resource |
|---|---|
| https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f | Patch Third Party Advisory |
| https://github.com/hoene/libmysofa/issues/83 | Exploit Third Party Advisory |
| https://github.com/hoene/libmysofa/issues/84 | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-20016 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-20016 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Jan. 08, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:libmysofa_project:libmysofa:*:*:*:*:*:*:*:* versions up to (excluding) 0.9 OR *cpe:2.3:a:symonics:libmysofa:*:*:*:*:*:*:*:* versions up to (excluding) 0.9 -
Initial Analysis by [email protected]
Jan. 08, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f No Types Assigned https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f Patch, Third Party Advisory Changed Reference Type https://github.com/hoene/libmysofa/issues/83 No Types Assigned https://github.com/hoene/libmysofa/issues/83 Exploit, Third Party Advisory Changed Reference Type https://github.com/hoene/libmysofa/issues/84 No Types Assigned https://github.com/hoene/libmysofa/issues/84 Exploit, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:libmysofa_project:libmysofa:*:*:*:*:*:*:*:* versions up to (excluding) 0.9 -
CVE Modified by [email protected]
Dec. 27, 2019
Action Type Old Value New Value Changed Description libmysofa 0.9 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. libmysofa before 2019-11-24 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. NOTE: a download of v0.9 after 2019-12-06 should fully remediate this issue.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-20016 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-20016
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.31 }} 0.09%
score
0.66493
percentile