PCRE 8.40 pcre_get.c pcre32_copy_substring memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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7.4 | $0-$5k | 0.00 |
A vulnerability was found in PCRE 8.40 (Programming Tool Software) and classified as critical. This issue affects the function pcre32_copy_substring
of the file pcre_get.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Stack-based buffer overflow in the pcre32_copy_substring function in pcre_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (WRITE of size 4) or possibly have unspecified other impact via a crafted file.
The bug was discovered 03/23/2017. The weakness was presented 03/23/2017 by Agostino Sarubbo with Gentoo (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2017-7245 since 03/23/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 104068 (GLSA-201710-25 : PCRE: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published 8 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (104068). See 98482 and 98484 for similar entries.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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EPSS Percentile: 🔍
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Current Price Estimation: 🔍
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Nessus ID: 104068
Nessus Name: GLSA-201710-25 : PCRE: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
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Timeline
03/23/2017 🔍03/23/2017 🔍
03/23/2017 🔍
03/23/2017 🔍
03/23/2017 🔍
03/24/2017 🔍
10/23/2017 🔍
10/23/2017 🔍
11/15/2022 🔍
Sources
Advisory: RHSA-2018:2486⛔Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined
CVE: CVE-2017-7245 (🔍)
SecurityFocus: 97067 - libpcre Multiple Security Vulnerabilities
OSVDB: - CVE-2017-7245 - PCRE - Buffer Overflow Issue
See also: 🔍
Entry
Created: 03/24/2017 07:41Updated: 11/15/2022 08:05
Changes: 03/24/2017 07:41 (71), 09/13/2020 11:00 (8), 11/15/2022 08:05 (3)
Complete: 🔍
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