VDB-105436 · CVE-2015-4082 · BID 74821

attic up to 0.14 Backup access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in attic up to 0.14. Affected by this issue is some unknown functionality of the component Backup Handler. Executing a manipulation can lead to access control. This vulnerability is handled as CVE-2015-4082. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in attic up to 0.14. This vulnerability affects some unknown functionality of the component Backup Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality. CVE summarizes:

attic before 0.15 does not confirm unencrypted backups with the user, which allows remote attackers with read and write privileges for the encrypted repository to obtain potentially sensitive information by changing the manifest type byte of the repository to "unencrypted / without key file".

The bug was discovered 04/05/2015. The weakness was released 08/18/2017 by Thomas Waldmann (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2015-4082 since 05/26/2015. The attack can be initiated remotely. A single authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 866 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 0.15 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 74821†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

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: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Access control
CWE: CWE-264
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: attic 0.15
Patch: github.com

Timelineinfo

04/05/2015 🔍
05/26/2015 +51 days 🔍
05/26/2015 +0 days 🔍
08/18/2017 +815 days 🔍
08/18/2017 +0 days 🔍
08/18/2017 +0 days 🔍
12/16/2022 +1946 days 🔍

Sourcesinfo

Advisory: 78f9ad1faba7193ca7f0acccbc13b1ff6ebf9072
Researcher: Thomas Waldmann
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-4082 (🔍)
GCVE (CVE): GCVE-0-2015-4082
GCVE (VulDB): GCVE-100-105436
SecurityFocus: 74821 - Attic 'attic/archiver.py' Security Bypass Vulnerability

Entryinfo

Created: 08/18/2017 22:48
Updated: 12/16/2022 08:08
Changes: 08/18/2017 22:48 (63), 11/08/2019 08:17 (1), 12/16/2022 08:08 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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