MailCarrier 2.51 Long String memory corruption

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 (≈)
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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.
8.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in MailCarrier 2.51. This impacts an unknown function. Such manipulation as part of Long String leads to memory corruption. This vulnerability is traded as CVE-2019-11395. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in MailCarrier 2.51 and classified as critical. Affected by this issue is an unknown part. The manipulation as part of a Long String leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow in MailCarrier 2.51 allows remote attackers to execute arbitrary code via a long string, as demonstrated by SMTP RCPT TO, POP3 USER, POP3 LIST, POP3 TOP, or POP3 RETR.

The bug was discovered 04/15/2019. The weakness was shared 04/22/2019. This vulnerability is handled as CVE-2019-11395 since 04/21/2019. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $0-$5k.

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

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
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: Memory corruption
CWE: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2019 🔍
04/21/2019 +6 days 🔍
04/22/2019 +1 days 🔍
04/23/2019 +1 days 🔍
09/06/2023 +1597 days 🔍

Sourcesinfo

Advisory: 152502
Status: Not defined

CVE: CVE-2019-11395 (🔍)
GCVE (CVE): GCVE-0-2019-11395
GCVE (VulDB): GCVE-100-133934

Entryinfo

Created: 04/23/2019 08:47
Updated: 09/06/2023 11:17
Changes: 04/23/2019 08:47 (52), 06/01/2020 09:56 (1), 09/06/2023 11:17 (4)
Complete: 🔍
Cache ID: 216::103

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