Redis up to 4.0.9/5.0 RC2 redis-cli -h memory corruption

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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Redis up to 4.0.9/5.0 RC2. It has been rated as critical. This impacts an unknown function of the component redis-cli. This manipulation of the argument -h as part of Argument causes memory corruption. This vulnerability appears as CVE-2018-12326. The attack requires local access. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Redis up to 4.0.9/5.0 RC2 and classified as critical. Affected by this vulnerability is an unknown function of the component redis-cli. The manipulation of the argument -h as part of a Argument 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 confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in redis-cli of Redis before 4.0.10 and 5.x before 5.0 RC3 allows an attacker to achieve code execution and escalate to higher privileges via a crafted command line. NOTE: It is unclear whether there are any common situations in which redis-cli is used with, for example, a -h (aka hostname) argument from an untrusted source.

The bug was discovered 06/18/2018. The weakness was presented 06/17/2018 by Security Team with Apple (Website). It is possible to read the advisory at gist.github.com. This vulnerability is known as CVE-2018-12326 since 06/13/2018. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 117484 (Pivotal Software Redis LUA < 3.2.12 / 4.0.x < 4.0.10 / 5.0 < 5.0rc2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 237091 (Red Hat Update for redis (RHSA-2019:0052)).

Upgrading to version 4.0.10 or 5.0 RC3 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (44904), Tenable (117484) and SecurityFocus (BID 104553†). See VDB-119628, VDB-119629 and VDB-133492 for similar entries. 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: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.4
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: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 117484
Nessus Name: Pivotal Software Redis LUA < 3.2.12 / 4.0.x < 4.0.10 / 5.0 < 5.0rc2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Redis 4.0.10/5.0 RC3
Patch: github.com

Timelineinfo

06/13/2018 🔍
06/13/2018 +0 days 🔍
06/14/2018 +1 days 🔍
06/17/2018 +2 days 🔍
06/17/2018 +0 days 🔍
06/17/2018 +0 days 🔍
06/18/2018 +1 days 🔍
09/14/2018 +88 days 🔍
12/12/2024 +2281 days 🔍

Sourcesinfo

Advisory: RHSA-2019:0052
Researcher: Security Team
Organization: Apple
Status: Confirmed

CVE: CVE-2018-12326 (🔍)
GCVE (CVE): GCVE-0-2018-12326
GCVE (VulDB): GCVE-100-119623
SecurityFocus: 104553 - Redis CVE-2018-11218 Remote Stack Based Buffer Overflow Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/17/2018 21:02
Updated: 12/12/2024 05:29
Changes: 06/17/2018 21:02 (74), 02/19/2020 21:55 (9), 03/27/2023 17:10 (5), 12/12/2024 05:29 (14)
Complete: 🔍
Cache ID: 216:F4B:103

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