CVE-2019-6976
Vulnerability in libvips Image Processing Tool鏏 Memory Leak
Description
libvips before 8.7.4 generates output images from uninitialized memory locations when processing corrupted input image data because iofuncs/memory.c does not zero out allocated memory. This can result in leaking raw process memory contents through the output image.
INFO
Published Date :
Jan. 26, 2019, 11:29 p.m.
Last Modified :
Nov. 21, 2024, 4:47 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.0 | MEDIUM | [email protected] |
Solution
- Update the affected packages.
Public PoC/Exploit Available at Github
CVE-2019-6976 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2019-6976.
| URL | Resource |
|---|---|
| https://blog.silentsignal.eu/2019/04/18/drop-by-drop-bleeding-through-libvips/ | Technical Description Third Party Advisory |
| https://github.com/libvips/libvips/commit/00622428bda8d7521db8d74260b519fa41d69d0a | Patch Third Party Advisory |
| https://github.com/libvips/libvips/releases/tag/v8.7.4 | Third Party Advisory |
| https://blog.silentsignal.eu/2019/04/18/drop-by-drop-bleeding-through-libvips/ | Technical Description Third Party Advisory |
| https://github.com/libvips/libvips/commit/00622428bda8d7521db8d74260b519fa41d69d0a | Patch Third Party Advisory |
| https://github.com/libvips/libvips/releases/tag/v8.7.4 | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-6976 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-2019-6976
weaknesses.
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).
This repo describes how to set up a test envitoment with a vulnerable libvips application, to test the entropy calculator UploadScanner addon.
Dockerfile Shell Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-6976 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-6976 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://blog.silentsignal.eu/2019/04/18/drop-by-drop-bleeding-through-libvips/ Added Reference https://github.com/libvips/libvips/commit/00622428bda8d7521db8d74260b519fa41d69d0a Added Reference https://github.com/libvips/libvips/releases/tag/v8.7.4 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-200 CWE-908 -
Modified Analysis by [email protected]
Apr. 26, 2019
Action Type Old Value New Value Changed CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) (AV:N/AC:L/Au:N/C:P/I:N/A:N) Changed CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://blog.silentsignal.eu/2019/04/18/drop-by-drop-bleeding-through-libvips/ No Types Assigned https://blog.silentsignal.eu/2019/04/18/drop-by-drop-bleeding-through-libvips/ Technical Description, Third Party Advisory Removed CWE CWE-399 Added CWE CWE-200 -
CVE Modified by [email protected]
Apr. 24, 2019
Action Type Old Value New Value Changed Description libvips before 8.7.4 writes to uninitialized memory locations in unspecified error cases because iofuncs/memory.c does not zero out allocated memory. libvips before 8.7.4 generates output images from uninitialized memory locations when processing corrupted input image data because iofuncs/memory.c does not zero out allocated memory. This can result in leaking raw process memory contents through the output image. Added Reference https://blog.silentsignal.eu/2019/04/18/drop-by-drop-bleeding-through-libvips/ [No Types Assigned] -
Initial Analysis by [email protected]
Jan. 28, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/libvips/libvips/releases/tag/v8.7.4 No Types Assigned https://github.com/libvips/libvips/releases/tag/v8.7.4 Third Party Advisory Changed Reference Type https://github.com/libvips/libvips/commit/00622428bda8d7521db8d74260b519fa41d69d0a No Types Assigned https://github.com/libvips/libvips/commit/00622428bda8d7521db8d74260b519fa41d69d0a Patch, Third Party Advisory Added CWE CWE-399 Added CPE Configuration OR *cpe:2.3:a:libvips_project:libvips:*:*:*:*:*:*:*:* versions up to (excluding) 8.7.4
Vulnerability Scoring Details
Base CVSS Score: 5.3
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.48 }} 0.17%
score
0.64384
percentile