VDB-79384 · CVE-2015-8388 · RHSA-2016:1132

PCRE up to 8.37 Regex Pattern memory corruption

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7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in PCRE up to 8.37 and classified as critical. This affects an unknown function. Executing a manipulation with the input /(?=di(?<=(?1))|(?=(.))))/ as part of Regex Pattern can lead to memory corruption. The identification of this vulnerability is CVE-2015-8388. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in PCRE up to 8.37 (Programming Tool Software) and classified as critical. This vulnerability affects an unknown code. The manipulation with the input value /(?=di(?<=(?1))|(?=(.))))/ leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

PCRE before 8.38 mishandles the /(?=di(?<=(?1))|(?=(.))))/ pattern and related patterns with an unmatched closing parenthesis, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.

The weakness was shared 12/02/2015 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2015-8388. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 157182 (Oracle Enterprise Linux Security Update for pcre (ELSA-2016-1025)).

Upgrading to version 8.38 eliminates this vulnerability.

The entries VDB-75695, VDB-79379, VDB-79380 and VDB-79381 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Programming Tool Software

Name

PCRE

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: PCRE 8.38

Timelineinfo

12/01/2015 🔍
12/01/2015 +0 days 🔍
12/02/2015 +1 days 🔍
12/03/2015 +1 days 🔍
06/28/2022 +2399 days 🔍

Sourcesinfo

Advisory: RHSA-2016:1132
Status: Not defined

CVE: CVE-2015-8388 (🔍)
GCVE (CVE): GCVE-0-2015-8388
GCVE (VulDB): GCVE-100-79384
SecurityFocus: 85576

See also: 🔍

Entryinfo

Created: 12/03/2015 09:44
Updated: 06/28/2022 11:17
Changes: 12/03/2015 09:44 (39), 01/27/2018 12:40 (6), 06/28/2022 11:09 (3), 06/28/2022 11:17 (8)
Complete: 🔍
Cache ID: 216:7AB:103

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