GNU Patch up to 2.7.5 pch.c pch_write_line memory corruption

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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU Patch up to 2.7.5. It has been rated as problematic. The impacted element is the function pch_write_line of the file pch.c. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2016-10713. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in GNU Patch up to 2.7.5 and classified as problematic. Affected by this vulnerability is the function pch_write_line of the file pch.c. The manipulation with an unknown input 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 availability. The summary by CVE is:

An issue was discovered in GNU patch before 2.7.6. Out-of-bounds access within pch_write_line() in pch.c can possibly lead to DoS via a crafted input file.

The bug was discovered 02/13/2018. The weakness was disclosed 02/13/2018 by Hanno Boeck (Website). The advisory is shared at securityfocus.com. This vulnerability is known as CVE-2016-10713 since 02/13/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 106915 (Fedora 27 : patch (2018-b127e58641)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197109 (Ubuntu Security Notification for Patch Vulnerabilities (USN-3624-1)).

Upgrading to version 2.7.6 eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (106915) and SecurityFocus (BID 103063†). The entries VDB-113211, VDB-113212 and VDB-115900 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106915
Nessus Name: Fedora 27 : patch (2018-b127e58641)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881203
OpenVAS Name: Fedora Update for patch FEDORA-2018-b127e58641
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Patch 2.7.6
Patch: git.savannah.gnu.org

Timelineinfo

02/13/2018 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/14/2018 +1 days 🔍
02/20/2018 +6 days 🔍
02/21/2018 +1 days 🔍
02/06/2023 +1811 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: FEDORA-2018-b127e58641⛔
Researcher: Hanno Boeck
Status: Confirmed

CVE: CVE-2016-10713 (🔍)
GCVE (CVE): GCVE-0-2016-10713
GCVE (VulDB): GCVE-100-113197
SecurityFocus: 103063 - GNU Patch CVE-2016-10713 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 02/14/2018 08:17
Updated: 02/06/2023 14:37
Changes: 02/14/2018 08:17 (76), 07/29/2020 16:54 (5), 02/06/2023 14:33 (5), 02/06/2023 14:37 (1)
Complete: 🔍
Cache ID: 216:730:103

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