NetFilter 1.8.2 iptables-restore xshared.c add_param_to_argv memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in NetFilter 1.8.2. It has been classified as critical. The impacted element is the function add_param_to_argv of the file xshared.c of the component iptables-restore. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2019-11360. The attack needs to be approached locally. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in NetFilter 1.8.2. This affects the function add_param_to_argv of the file xshared.c of the component iptables-restore. 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 confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow in iptables-restore in netfilter iptables 1.8.2 allows an attacker to (at least) crash the program or potentially gain code execution via a specially crafted iptables-save file. This is related to add_param_to_argv in xshared.c.

The weakness was presented 07/12/2019 as confirmed git commit (GIT Repository). The advisory is shared at git.netfilter.org. This vulnerability is uniquely identified as CVE-2019-11360 since 04/19/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.netfilter.org.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.netfilter.org

Timelineinfo

04/19/2019 🔍
07/12/2019 +84 days 🔍
07/12/2019 +0 days 🔍
07/04/2020 +358 days 🔍

Sourcesinfo

Advisory: git.netfilter.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-11360 (🔍)
GCVE (CVE): GCVE-0-2019-11360
GCVE (VulDB): GCVE-100-137793

Entryinfo

Created: 07/12/2019 21:42
Updated: 07/04/2020 16:06
Changes: 07/12/2019 21:42 (58), 07/04/2020 16:06 (1)
Complete: 🔍
Cache ID: 216::103

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