Pacman up to 5.1 lib/libalpm/sync.c apply_deltas injection

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Pacman up to 5.1. This impacts the function apply_deltas in the library lib/libalpm/sync.c. The manipulation results in injection. This vulnerability is identified as CVE-2019-18183. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Pacman up to 5.1. Affected is the function apply_deltas in the library lib/libalpm/sync.c. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

pacman before 5.2 is vulnerable to arbitrary command injection in lib/libalpm/sync.c in the apply_deltas() function. This can be exploited when unsigned databases are used. To exploit the vulnerability, the user must enable the non-default delta feature and retrieve an attacker-controlled crafted database and delta file.

The weakness was released 02/24/2020. This vulnerability is traded as CVE-2019-18183 since 10/17/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1055.

Upgrading to version 5.2 eliminates this vulnerability.

Entry connected to this vulnerability is available at VDB-150455. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Injection
CWE: CWE-74 / CWE-707 / CWE-20
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Pacman 5.2
Patch: git.archlinux.org

Timelineinfo

10/17/2019 🔍
02/24/2020 +130 days 🔍
02/25/2020 +1 days 🔍
04/02/2024 +1498 days 🔍

Sourcesinfo

Advisory: FEDORA-2020-096fbcc91f
Status: Not defined

CVE: CVE-2019-18183 (🔍)
GCVE (CVE): GCVE-0-2019-18183
GCVE (VulDB): GCVE-100-150456
See also: 🔍

Entryinfo

Created: 02/25/2020 08:50
Updated: 04/02/2024 13:38
Changes: 02/25/2020 08:50 (38), 02/25/2020 08:55 (17), 04/02/2024 13:38 (20)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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