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 issue

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in HexChat, XChat and XChat-GNOME. This affects the function ssl_do_connect of the file common/server.c of the component X.509 Certificate Chain Validation. The manipulation results in cryptographic issue. This vulnerability was named CVE-2013-7449. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

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 issue 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.

The vulnerability scanner Nessus provides a plugin with the ID 218296 (Linux Distros Unpatched Vulnerability : CVE-2013-7449), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196442 (Ubuntu Security Notification for xchat-gnome Vulnerability (USN-2945-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (218296). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
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: 218296
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2013-7449

Qualys ID: 🔍
Qualys Name: 🔍

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 🔍
03/04/2025 +3238 days 🔍

Sourcesinfo

Product: github.com

Advisory: USN-2945-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-7449 (🔍)
GCVE (CVE): GCVE-0-2013-7449
GCVE (VulDB): GCVE-100-82728

Entryinfo

Created: 04/22/2016 09:31
Updated: 03/04/2025 15:46
Changes: 04/22/2016 09:31 (49), 10/21/2018 09:53 (11), 07/26/2022 13:02 (5), 12/22/2024 09:53 (18), 03/04/2025 15:46 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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