6.5
MEDIUM
CVE-2018-20797
PoDoFo Heap-Based Memory Allocation Vulnerability
Description

An issue was discovered in PoDoFo 0.9.6. There is an attempted excessive memory allocation in PoDoFo::podofo_calloc in base/PdfMemoryManagement.cpp when called from PoDoFo::PdfPredictorDecoder::PdfPredictorDecoder in base/PdfFiltersPrivate.cpp.

INFO

Published Date :

Feb. 27, 2019, 5:29 p.m.

Last Modified :

Feb. 27, 2019, 8:34 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2018-20797 has a 5 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-2018-20797 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 Podofo_project podofo
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-2018-20797.

URL Resource
https://sourceforge.net/p/podofo/tickets/34/ 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).

[ICSE2020] MemLock DataSet

fuzzing

Makefile Python Shell CMake JavaScript HTML CSS C++ C Java

Updated: 3 years, 1 month ago
1 stars 1 fork 1 watcher
Born at : Oct. 10, 2020, 2:29 a.m. This repo has been linked 18 different CVEs too.

None

Makefile Python Shell CMake JavaScript HTML CSS C++ C Java

Updated: 2 years ago
1 stars 1 fork 1 watcher
Born at : Oct. 10, 2020, 2:23 a.m. This repo has been linked 40 different CVEs too.

[ICSE2020] MemLock DataSet

fuzzing

Makefile Python Shell CMake JavaScript HTML CSS C++ C Java

Updated: 3 years, 1 month ago
0 stars 1 fork 1 watcher
Born at : Oct. 10, 2020, 2:19 a.m. This repo has been linked 40 different CVEs too.

MemLock_Benchmark: The vulnerability related to Excessive Memory Consumption, which can test the ability of fuzzer for generating inputs that consume lost of memory.

Makefile Python Shell CMake JavaScript HTML CSS C++ C Java

Updated: 1 year, 8 months ago
5 stars 0 fork 0 watcher
Born at : Dec. 30, 2019, 9:16 a.m. This repo has been linked 40 different CVEs too.

ExMem_Benchmark: The vulnerability related to Excessive Memory Consumption, which can test the ability of fuzzer for generating inputs that consume lost of memory.

Makefile Python Shell CMake JavaScript HTML CSS C++ C Java

Updated: 4 years, 10 months ago
0 stars 0 fork 0 watcher
Born at : Dec. 30, 2019, 2:15 a.m. This repo has been linked 40 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-2018-20797 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-20797 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
  • Initial Analysis by [email protected]

    Feb. 27, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    Changed Reference Type https://sourceforge.net/p/podofo/tickets/34/ No Types Assigned https://sourceforge.net/p/podofo/tickets/34/ Exploit, Third Party Advisory
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:podofo_project:podofo:0.9.6:*:*:*:*:*:*:*
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.
Exploit Prediction

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

0.10 }} 0.00%

score

0.38791

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability