Google Go File Header Reader.Read resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.03

A vulnerability was found in Google Go (Programming Language Software) (unknown version). It has been rated as problematic. This issue affects the function Reader.Read of the component File Header Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

Reader.Read does not set a limit on the maximum size of file headers. A maliciously crafted archive could cause Read to allocate unbounded amounts of memory, potentially causing resource exhaustion or panics. After fix, Reader.Read limits the maximum size of header blocks to 1 MiB.

The weakness was disclosed 10/15/2022. The advisory is shared at go.dev. The identification of this vulnerability is CVE-2022-2879 since 08/17/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/09/2022). MITRE ATT&CK project uses the attack technique T1499 for this issue.

Applying a patch is able to eliminate this problem.

Productinfo

Type

Vendor

Name

License

  • open-source

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
NVD Vector: 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
ATT&CK: T1499

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: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/17/2022 CVE reserved
10/15/2022 +59 days Advisory disclosed
10/15/2022 +0 days VulDB entry created
11/09/2022 +25 days VulDB last update

Sourcesinfo

Vendor: google.com

Advisory: FEDORA-2022-59a20edab2
Status: Confirmed

CVE: CVE-2022-2879 (🔒)

Entryinfo

Created: 10/15/2022 08:24 AM
Updated: 11/09/2022 07:29 AM
Changes: 10/15/2022 08:24 AM (40), 11/09/2022 07:22 AM (1), 11/09/2022 07:29 AM (11)
Complete: 🔍

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