SWFTools 772e55a2 /src/png2swf.c png_read_header heap-based overflow

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in SWFTools 772e55a2. It has been rated as critical. The affected element is the function png_read_header of the file /src/png2swf.c. Performing a manipulation results in heap-based overflow. This vulnerability is reported as CVE-2022-35081. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in SWFTools 772e55a2 (Programming Tool Software). It has been classified as critical. This affects the function png_read_header of the file /src/png2swf.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

SWFTools commit 772e55a2 was discovered to contain a heap-buffer overflow via png_read_header at /src/png2swf.c.

The weakness was disclosed 10/13/2022 as 183. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-35081 since 07/04/2022. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/15/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Programming Tool Software

Name

SWFTools

Version

772e55a2

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/04/2022 🔍
10/13/2022 +101 days 🔍
10/13/2022 +0 days 🔍
05/15/2025 +945 days 🔍

Sourcesinfo

Advisory: 183
Status: Confirmed

CVE: CVE-2022-35081 (🔍)
GCVE (CVE): GCVE-0-2022-35081
GCVE (VulDB): GCVE-100-210777

Entryinfo

Created: 10/13/2022 17:04
Updated: 05/15/2025 18:30
Changes: 10/13/2022 17:04 (40), 11/07/2022 14:43 (11), 05/15/2025 18:30 (15)
Complete: 🔍
Cache ID: 216::103