VDB-79389 · CVE-2015-8393 · BID 82990

PCRE up to 8.37 pcregrep -q information disclosure

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

A vulnerability classified as problematic has been found in PCRE up to 8.37 (Programming Tool Software). This affects some unknown functionality of the component pcregrep. The manipulation of the argument -q as part of a Binary File leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

pcregrep in PCRE before 8.38 mishandles the -q option for binary files, which might allow remote attackers to obtain sensitive information via a crafted file, as demonstrated by a CGI script that sends stdout data to a client.

The weakness was shared 12/02/2015 (oss-sec). The advisory is shared at openwall.com. This vulnerability is uniquely identified as CVE-2015-8393 since 11/30/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 88694 (PHP 5.6.x < 5.6.18 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11626 (PHP Versions Prior to 5.6.18/5.5.32 Multiple Vulnerabilities).

Upgrading to version 8.38 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (88694). The entries 79371, 79376, 79377 and 79379 are related to this item.

Productinfo

Type

Name

Version

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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88694
Nessus Name: PHP 5.6.x < 5.6.18 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for pcre3 USN-2943-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: PCRE 8.38

Timelineinfo

11/30/2015 🔍
11/30/2015 +0 days 🔍
12/01/2015 +0 days 🔍
12/02/2015 +1 days 🔍
12/03/2015 +1 days 🔍
01/11/2016 +39 days 🔍
02/03/2016 +23 days 🔍
02/08/2016 +5 days 🔍
02/10/2016 +2 days 🔍
06/28/2022 +2329 days 🔍

Sourcesinfo

Advisory: FEDORA-2015-eb896290d3
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8393 (🔍)
Vulnerability Center: 56435 - PCRE before 8.38 Remote Information Disclosure via a Crafted File in pcregrep, Medium
SecurityFocus: 82990 - PCRE Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/03/2015 09:44
Updated: 06/28/2022 12:09
Changes: 12/03/2015 09:44 (65), 08/21/2018 08:50 (13), 06/28/2022 12:09 (3)
Complete: 🔍

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