FreeBSD 10.1/10.2 patch information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in FreeBSD 10.1/10.2. This issue affects some unknown processing of the component Patch. This manipulation causes information disclosure. This vulnerability is tracked as CVE-2015-1418. No exploit exists. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in FreeBSD 10.1/10.2 (Operating System) and classified as critical. Affected by this vulnerability is an unknown code of the component patch. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

patch in FreeBSD 10.1 before 10.1-RELEASE-p17, 10.2 before 10.2-BETA2-p3, 10.2-RC1 before 10.2-RC1-p2, and 0.2-RC2 before 10.2-RC2-p1 allows remote attackers to execute arbitrary commands via a crafted patch file.

The weakness was disclosed 08/05/2015 by Martin Natano as FreeBSD-SA-15:18.bsdpatch as confirmed advisory (Website). It is possible to read the advisory at security.FreeBSD.org. This vulnerability is known as CVE-2015-1418 since 01/27/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. The advisory points out:

Due to insufficient sanitization of the input patch stream, it is possible for a patch file to cause patch(1) to pass certain ed(1) scripts to the ed(1) editor, which would run commands.

The vulnerability scanner Nessus provides a plugin with the ID 92892 (FreeBSD : FreeBSD -- shell injection vulnerability in patch(1) (0d090952-600a-11e6-a6c3-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (92892), SecurityFocus (BID 76236†), SecurityTracker (ID 1033188†) and Vulnerability Center (SBV-51788†). The entry VDB-76926 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB 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: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 92892
Nessus Name: FreeBSD : FreeBSD -- shell injection vulnerability in patch(1) (0d090952-600a-11e6-a6c3-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

01/27/2015 🔍
08/05/2015 +190 days 🔍
08/05/2015 +0 days 🔍
08/05/2015 +0 days 🔍
08/06/2015 +1 days 🔍
08/06/2015 +0 days 🔍
08/06/2015 +0 days 🔍
08/09/2015 +3 days 🔍
02/05/2018 +911 days 🔍
06/07/2022 +1583 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: FreeBSD-SA-15:18.bsdpatch
Researcher: Martin Natano
Status: Confirmed

CVE: CVE-2015-1418 (🔍)
GCVE (CVE): GCVE-0-2015-1418
GCVE (VulDB): GCVE-100-76927
SecurityFocus: 76236 - FreeBSD patch(1) Utility CVE-2015-1418 Command Injection Vulnerability
SecurityTracker: 1033188 - FreeBSD patch(1) Lets Remote Users Execute Arbitrary Commands on the Target System
Vulnerability Center: 51788 - FreeBSD Remote Code Execution due to Improper Sanitization of Input Patch Stream, High

See also: 🔍

Entryinfo

Created: 08/06/2015 15:44
Updated: 06/07/2022 12:32
Changes: 08/06/2015 15:44 (65), 10/01/2017 20:17 (7), 06/07/2022 12:24 (13), 06/07/2022 12:32 (1)
Complete: 🔍
Cache ID: 216:027:103

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