Linux Kernel up to 4.17.3 fs/f2fs/inline.c out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 4.17.3. This impacts an unknown function of the file fs/f2fs/inline.c. Such manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2018-13099. The attack needs to be performed locally. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 4.17.3 (Operating System). Affected by this issue is some unknown functionality of the file fs/f2fs/inline.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.17.3. A denial of service (out-of-bounds memory access and BUG) can occur for a modified f2fs filesystem image in which an inline inode contains an invalid reserved blkaddr.

The bug was discovered 07/01/2018. The weakness was released 07/03/2018 (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2018-13099 since 07/03/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 117862 (Debian DSA-4308-1 : linux - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176501 (Debian Security Update for linux (DSA 4308-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117862) and SecurityFocus (BID 104680†). Entries connected to this vulnerability are available at VDB-122243, VDB-122251, VDB-123041 and VDB-123461. If you want to get best quality of vulnerability data, you may have to visit 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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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: 117862
Nessus Name: Debian DSA-4308-1 : linux - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: git.kernel.org

Timelineinfo

06/22/2018 🔍
07/01/2018 +9 days 🔍
07/03/2018 +1 days 🔍
07/03/2018 +0 days 🔍
07/03/2018 +0 days 🔍
07/03/2018 +0 days 🔍
10/01/2018 +90 days 🔍
10/02/2018 +1 days 🔍
03/29/2023 +1639 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-3932-1⛔
Status: Confirmed

CVE: CVE-2018-13099 (🔍)
GCVE (CVE): GCVE-0-2018-13099
GCVE (VulDB): GCVE-100-120206

OVAL: 🔍

SecurityFocus: 104680 - Linux Kernel 'fs/f2fs/inline.c' Local Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 07/03/2018 17:48
Updated: 03/29/2023 18:45
Changes: 07/03/2018 17:48 (76), 02/24/2020 10:29 (5), 03/29/2023 18:45 (5)
Complete: 🔍
Cache ID: 216:B35:103

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