Sophos XG Firewall up to 17.5 MR11 awarrensmtp out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Sophos XG Firewall up to 17.5 MR11. Impacted is an unknown function of the component awarrensmtp. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2020-11503. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Sophos XG Firewall up to 17.5 MR11 (Firewall Software) and classified as critical. Affected by this issue is an unknown functionality of the component awarrensmtp. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A heap-based buffer overflow in the awarrensmtp component of Sophos XG Firewall v17.5 MR11 and older potentially allows an attacker to run arbitrary code remotely.

The weakness was published 06/18/2020 (Website). The advisory is shared for download at community.sophos.com. This vulnerability is handled as CVE-2020-11503 since 04/03/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

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

Type

Vendor

Name

Version

License

Website

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: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/03/2020 🔍
06/18/2020 +76 days 🔍
06/19/2020 +1 days 🔍
10/25/2020 +128 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: community.sophos.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-11503 (🔍)
GCVE (CVE): GCVE-0-2020-11503
GCVE (VulDB): GCVE-100-156920

Entryinfo

Created: 06/19/2020 06:34
Updated: 10/25/2020 09:43
Changes: 06/19/2020 06:34 (37), 06/19/2020 06:39 (18), 10/25/2020 09:43 (1)
Complete: 🔍
Cache ID: 216::103

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