7.5
HIGH
CVE-2023-1999
Google libwebp Use-After-Free/Double Free Vulnerability
Description

There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free. 

INFO

Published Date :

June 20, 2023, 12:15 p.m.

Last Modified :

Nov. 21, 2024, 7:40 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-1999 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-1999 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Webmproject libwebp
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-2023-1999.

URL Resource
https://chromium.googlesource.com/webm/libwebp Product
https://security.gentoo.org/glsa/202309-05
https://chromium.googlesource.com/webm/libwebp Product
https://security.gentoo.org/glsa/202309-05

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).

None

C

Updated: 1 month, 1 week ago
0 stars 0 fork 0 watcher
Born at : Nov. 12, 2024, 11:12 a.m. This repo has been linked 1 different CVEs too.

None

Shell Python

Updated: 1 month, 2 weeks ago
0 stars 1 fork 1 watcher
Born at : March 19, 2021, 11:41 a.m. This repo has been linked 82 different CVEs too.

📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

security cve exploit poc vulnerability

Updated: 2 weeks, 4 days ago
6566 stars 1140 fork 1140 watcher
Born at : Dec. 8, 2019, 1:03 p.m. This repo has been linked 958 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-1999 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-1999 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://chromium.googlesource.com/webm/libwebp
    Added Reference https://security.gentoo.org/glsa/202309-05
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Sep. 17, 2023

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202309-05 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 05, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://chromium.googlesource.com/webm/libwebp No Types Assigned https://chromium.googlesource.com/webm/libwebp Product
    Added CWE NIST CWE-415
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:a:webmproject:libwebp:*:*:*:*:*:*:*:* versions from (including) 0.4.2 up to (excluding) 1.3.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-1999 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-2023-1999 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.14 }} 0.01%

score

0.50804

percentile

CVSS31 - Vulnerability Scoring System
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