Xapian xapian-core up to 1.4.5 HTML Escaping termgenerator_internal.cc Xapian::MSet::snippet HTML injection

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Xapian xapian-core up to 1.4.5. Affected by this issue is the function Xapian::MSet::snippet of the file queryparser/termgenerator_internal.cc of the component HTML Escaping. The manipulation results in HTML injection. This vulnerability is reported as CVE-2018-0499. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Xapian xapian-core up to 1.4.5. Affected is the function Xapian::MSet::snippet of the file queryparser/termgenerator_internal.cc of the component HTML Escaping. The manipulation with an unknown input leads to a html injection vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

A cross-site scripting vulnerability in queryparser/termgenerator_internal.cc in Xapian xapian-core before 1.4.6 exists due to incomplete HTML escaping by Xapian::MSet::snippet().

The bug was discovered 07/02/2018. The weakness was disclosed 07/02/2018 (Website). The advisory is shared for download at lists.xapian.org. This vulnerability is traded as CVE-2018-0499 since 11/27/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 111006 (Ubuntu 17.10 / 18.04 LTS : xapian-core vulnerability (USN-3709-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197197 (Ubuntu Security Notification for Xapian-core Vulnerability (USN-3709-1)).

Upgrading to version 1.4.6 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111006). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: HTML injection
CWE: CWE-79 / CWE-94 / CWE-74
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: 111006
Nessus Name: Ubuntu 17.10 / 18.04 LTS : xapian-core vulnerability (USN-3709-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: xapian-core 1.4.6

Timelineinfo

11/27/2017 🔍
07/02/2018 +216 days 🔍
07/02/2018 +0 days 🔍
07/02/2018 +0 days 🔍
07/03/2018 +1 days 🔍
07/10/2018 +7 days 🔍
07/11/2018 +1 days 🔍
03/29/2023 +1722 days 🔍

Sourcesinfo

Advisory: USN-3709-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-0499 (🔍)
GCVE (CVE): GCVE-0-2018-0499
GCVE (VulDB): GCVE-100-120132

Entryinfo

Created: 07/03/2018 07:53
Updated: 03/29/2023 14:49
Changes: 07/03/2018 07:53 (72), 02/23/2020 15:46 (4), 03/29/2023 14:49 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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