HexChat/XChat/XChat-GNOME prior 2.10.1-1+deb8u1/2.12.0 X.509 Certificate Chain Validation common/server.c ssl_do_connect cryptographic issues

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability classified as critical has been found in HexChat, XChat and XChat-GNOME (Chat Software). Affected is the function ssl_do_connect of the file common/server.c of the component X.509 Certificate Chain Validation. The manipulation with an unknown input leads to a cryptographic issues vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The ssl_do_connect function in common/server.c in HexChat before 2.10.2, XChat, and XChat-GNOME does not verify that the server hostname matches a domain name in the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

The weakness was presented 04/21/2016 (Website). The advisory is shared for download at ubuntu.com. This vulnerability is traded as CVE-2013-7449 since 04/06/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.

Upgrading to version 2.10.1-1+deb8u1 or 2.12.0 eliminates this vulnerability.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issues
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

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: Upgrade
Status: 🔍
Upgrade: HexChat/XChat/XChat-GNOME 2.10.1-1+deb8u1/2.12.0
Patch: github.com

Timelineinfo

04/06/2016 🔍
04/21/2016 +15 days 🔍
04/21/2016 +0 days 🔍
04/22/2016 +1 days 🔍
07/26/2022 +2286 days 🔍

Sourcesinfo

Advisory: USN-2945-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-7449 (🔍)

Entryinfo

Created: 04/22/2016 09:31
Updated: 07/26/2022 13:02
Changes: 04/22/2016 09:31 (49), 10/21/2018 09:53 (11), 07/26/2022 13:02 (5)
Complete: 🔍

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