NTP 4.2.8p15 libntp/mstolfp.c mstolfp out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in NTP 4.2.8p15. This vulnerability affects the function mstolfp of the file libntp/mstolfp.c. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2023-26552. There is no exploit available.

Detailsinfo

A vulnerability has been found in NTP 4.2.8p15 (Network Management Software) and classified as critical. Affected by this vulnerability is the function mstolfp of the file libntp/mstolfp.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a decimal point.

The weakness was shared 04/12/2023. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-26552 since 02/25/2023. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 310772 (Juniper Junos OS Multiple Vulnerabilities (JSA73177)), 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 databases at Tenable (310772) and EUVD (EUVD-2023-30349). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.6
NVD Vector: 🔍

CVSSv2info

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

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: 310772
Nessus Name: Juniper Junos OS Multiple Vulnerabilities (JSA73177)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/25/2023 🔍
04/12/2023 +45 days 🔍
04/12/2023 +0 days 🔍
04/29/2026 +1113 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-26552 (🔍)
GCVE (CVE): GCVE-0-2023-26552
GCVE (VulDB): GCVE-100-225679
EUVD: 🔍

Entryinfo

Created: 04/12/2023 07:33
Updated: 04/29/2026 12:03
Changes: 04/12/2023 07:33 (39), 04/30/2023 08:43 (10), 11/10/2025 00:28 (16), 04/29/2026 12:03 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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