RubyGems up to 3.0.2 Gem::CommandManager#run Escape Sequence memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in RubyGems up to 3.0.2. Affected by this issue is the function Gem::CommandManager#run. Performing a manipulation as part of Escape Sequence results in memory corruption. This vulnerability is cataloged as CVE-2019-8325. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in RubyGems up to 3.0.2 (Programming Language Software). It has been classified as critical. This affects the function Gem::CommandManager#run. The manipulation as part of a Escape Sequence 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:

An issue was discovered in RubyGems 2.6 and later through 3.0.2. Since Gem::CommandManager#run calls alert_error without escaping, escape sequence injection is possible. (There are many ways to cause an error.)

The bug was discovered 03/05/2019. The weakness was shared 06/17/2019 (Website). It is possible to read the advisory at lists.opensuse.org. This vulnerability is uniquely identified as CVE-2019-8325 since 02/13/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 104 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176762 (Debian Security Update for ruby2.1 (DLA 1735-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-136162, VDB-136595, VDB-136596 and VDB-136597 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/13/2019 🔍
03/05/2019 +20 days 🔍
06/17/2019 +104 days 🔍
06/18/2019 +1 days 🔍
10/06/2023 +1571 days 🔍

Sourcesinfo

Advisory: DLA 2330-1
Status: Confirmed

CVE: CVE-2019-8325 (🔍)
GCVE (CVE): GCVE-0-2019-8325
GCVE (VulDB): GCVE-100-136599
OSVDB: - RubyGems Gem::CommandManager#run function security bypass

See also: 🔍

Entryinfo

Created: 06/18/2019 09:31
Updated: 10/06/2023 08:08
Changes: 06/18/2019 09:31 (60), 06/25/2020 10:01 (1), 10/06/2023 08:08 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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