VDB-165975 · CVE-2020-27350 · GCVE-0-2020-27350

APT deb Package extracttar.cc integer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in APT. It has been classified as critical. The impacted element is an unknown function of the file apt-pkg/contrib/extracttar.cc of the component deb Package Handler. Performing a manipulation results in integer overflow. This vulnerability is known as CVE-2020-27350. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in APT (unknown version). It has been classified as critical. This affects an unknown code block of the file apt-pkg/contrib/extracttar.cc of the component deb Package Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 12/10/2020. It is possible to read the advisory at bugs.launchpad.net. This vulnerability is uniquely identified as CVE-2020-27350. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

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

Productinfo

Name

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/20/2020 🔍
12/10/2020 +51 days 🔍
12/10/2020 +0 days 🔍
12/15/2020 +5 days 🔍

Sourcesinfo

Advisory: bugs.launchpad.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-27350 (🔍)
GCVE (CVE): GCVE-0-2020-27350
GCVE (VulDB): GCVE-100-165975

Entryinfo

Created: 12/10/2020 08:29
Updated: 12/15/2020 15:48
Changes: 12/10/2020 08:29 (37), 12/15/2020 15:44 (5), 12/15/2020 15:48 (1)
Complete: 🔍
Cache ID: 216::103