Linux Kernel up to 4.0-rc1/4.13-rc4 net/ipv4/cipso_ipv4.c cipso_v4_optptr Network Packet resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel up to 4.0-rc1/4.13-rc4 and classified as critical. The impacted element is the function cipso_v4_optptr of the file net/ipv4/cipso_ipv4.c. Performing a manipulation as part of Network Packet results in resource management. This vulnerability was named CVE-2018-10938. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 4.0-rc1/4.13-rc4 (Operating System). This affects the function cipso_v4_optptr of the file net/ipv4/cipso_ipv4.c. The manipulation as part of a Network Packet leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

A flaw was found in the Linux kernel present since v4.0-rc1 and through v4.13-rc4. A crafted network packet sent remotely by an attacker may force the kernel to enter an infinite loop in the cipso_v4_optptr() function in net/ipv4/cipso_ipv4.c leading to a denial-of-service.

The bug was discovered 08/27/2018. The weakness was presented 08/27/2018 as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. This vulnerability is uniquely identified as CVE-2018-10938 since 05/09/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 117523 (openSUSE Security Update : the Linux Kernel (openSUSE-2018-1016)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 390148 (Oracle VM Server for x86 Security Update for Unbreakable Enterprise kernel (OVMSA-2018-0253)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (117523) and SecurityFocus (BID 105154†). See VDB-116098, VDB-120200, VDB-120201 and VDB-120202 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 117523
Nessus Name: openSUSE Security Update : the Linux Kernel (openSUSE-2018-1016)
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

05/09/2018 🔍
08/27/2018 +110 days 🔍
08/27/2018 +0 days 🔍
08/27/2018 +0 days 🔍
08/27/2018 +0 days 🔍
08/28/2018 +1 days 🔍
09/16/2018 +19 days 🔍
09/17/2018 +1 days 🔍
05/04/2023 +1690 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-3797-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10938 (🔍)
GCVE (CVE): GCVE-0-2018-10938
GCVE (VulDB): GCVE-100-123273

OVAL: 🔍

SecurityFocus: 105154 - Linux Kernel 'net/ipv4/cipso_ipv4.c' Remote Denial of Service Vulnerability
SecurityTracker: 1041569

See also: 🔍

Entryinfo

Created: 08/28/2018 06:27
Updated: 05/04/2023 16:38
Changes: 08/28/2018 06:27 (80), 03/18/2020 14:00 (5), 05/04/2023 16:38 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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