GNU grep up to 2.20 Service kwset.c bmexec_trans memory corruption

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Summaryinfo

A vulnerability has been found in GNU grep up to 2.20 and classified as problematic. This affects the function bmexec_trans of the file kwset.c of the component Service. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2015-1345. No exploit is available.

Detailsinfo

A vulnerability was found in GNU grep up to 2.20. It has been classified as problematic. This affects the function bmexec_trans of the file kwset.c of the component Service. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

The bmexec_trans function in kwset.c in grep 2.19 through 2.21 allows local users to cause a denial of service (out-of-bounds heap read and crash) via crafted input when using the -F option.

The weakness was published 02/12/2015 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2015-1345 since 01/22/2015. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 81535 (GLSA-201502-14 : grep: Denial of Service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350104 (Amazon Linux Security Advisory for grep: ALAS-2015-598).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (81535), SecurityFocus (BID 72281†) and Vulnerability Center (SBV-48719†). Similar entry is available at VDB-7215. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• GNU

Name

• grep

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20

License

• open-source

Website

• Vendor: https://www.gnu.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 81535
Nessus Name: GLSA-201502-14 : grep: Denial of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2016-639
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: git.savannah.gnu.org

Timelineinfo

01/18/2015 🔍
01/18/2015 +0 days 🔍
01/22/2015 +4 days 🔍
02/12/2015 +21 days 🔍
02/12/2015 +0 days 🔍
02/23/2015 +11 days 🔍
02/26/2015 +3 days 🔍
03/30/2015 +32 days 🔍
04/16/2022 +2574 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: RHSA-2015:1447
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-1345 (🔍)
GCVE (CVE): GCVE-0-2015-1345
GCVE (VulDB): GCVE-100-74175
SecurityFocus: 72281 - grep 'kwset.c' Remote Buffer Overflow Vulnerability
Vulnerability Center: 48719 - grep 2.19 through 2.21 Local DoS via a Crafted Input whene Using -F Option, Low

See also: 🔍

Entryinfo

Created: 03/30/2015 12:07
Updated: 04/16/2022 13:04
Changes: 03/30/2015 12:07 (64), 06/20/2017 08:50 (8), 04/16/2022 12:57 (4), 04/16/2022 13:04 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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