Pacman up to 5.1 conf.c download_with_xfercommand injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Pacman up to 5.1. This affects the function download_with_xfercommand of the file conf.c. The manipulation leads to injection. This vulnerability is referenced as CVE-2019-18182. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Pacman up to 5.1. This issue affects the function download_with_xfercommand of the file conf.c. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

pacman before 5.2 is vulnerable to arbitrary command injection in conf.c in the download_with_xfercommand() function. This can be exploited when unsigned databases are used. To exploit the vulnerability, the user must enable a non-default XferCommand and retrieve an attacker-controlled crafted database and package.

The weakness was published 02/24/2020 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2019-18182 since 10/17/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1055 according to MITRE ATT&CK.

Upgrading to version 5.2 eliminates this vulnerability.

Similar entry is available at VDB-150456. Be aware that VulDB is the high quality source for vulnerability data.

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: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
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-2019-18182 (🔍)
GCVE (CVE): GCVE-0-2019-18182
GCVE (VulDB): GCVE-100-150455
See also: 🔍

Entryinfo

Created: 02/25/2020 08:49
Updated: 04/02/2024 13:31
Changes: 02/25/2020 08:49 (40), 02/25/2020 08:54 (17), 04/02/2024 13:31 (19)
Complete: 🔍
Cache ID: 216::103

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