e6y prboom-plus 2.5.1.5 i_network.c I_SendPacket/I_SendPacketTo UDP Packet out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in e6y prboom-plus 2.5.1.5. This impacts the function I_SendPacket/I_SendPacketTo of the file i_network.c. Performing a manipulation as part of UDP Packet results in out-of-bounds write. This vulnerability was named CVE-2019-20797. The attack may be initiated remotely. There is no available exploit. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability was found in e6y prboom-plus 2.5.1.5. It has been classified as critical. This affects the function I_SendPacket/I_SendPacketTo of the file i_network.c. The manipulation as part of a UDP Packet leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received UDP packets, as demonstrated by I_SendPacket or I_SendPacketTo in i_network.c.

The weakness was presented 05/18/2020. This vulnerability is uniquely identified as CVE-2019-20797 since 05/17/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 257992 (Linux Distros Unpatched Vulnerability : CVE-2019-20797), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (257992). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 257992
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2019-20797

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/17/2020 🔍
05/18/2020 +1 days 🔍
05/18/2020 +0 days 🔍
08/29/2025 +1929 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2019-20797 (🔍)
GCVE (CVE): GCVE-0-2019-20797
GCVE (VulDB): GCVE-100-155373

Entryinfo

Created: 05/18/2020 09:09 AM
Updated: 08/29/2025 04:44 AM
Changes: 05/18/2020 09:09 AM (37), 05/18/2020 09:14 AM (17), 08/29/2025 04:44 AM (17)
Complete: 🔍
Cache ID: 244:F4E:40

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