libarchive 2.8.0 archive_read_support_format_iso9660.c read_CE/parse_rockridge resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in libarchive 2.8.0. This issue affects the function read_CE/parse_rockridge of the file archive_read_support_format_iso9660.c. The manipulation leads to resource consumption. This vulnerability is referenced as CVE-2019-1000020. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in libarchive 2.8.0 (File Compression Software). This issue affects the function read_CE/parse_rockridge of the file archive_read_support_format_iso9660.c. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product 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:

libarchive version commit 5a98dcf8a86364b3c2c469c85b93647dfb139961 onwards (version v2.8.0 onwards) contains a CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in ISO9660 parser, archive_read_support_format_iso9660.c, read_CE()/parse_rockridge() that can result in DoS by infinite loop. This attack appears to be exploitable via the victim opening a specially crafted ISO9660 file.

The bug was discovered 02/07/2019. The weakness was published 02/04/2019 (Website). It is possible to read the advisory at lists.fedoraproject.org. The identification of this vulnerability is CVE-2019-1000020 since 02/04/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 209710 (F5 Networks BIG-IP : libarchive vulnerabilities (K000148255)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197368 (Ubuntu Security Notification for Libarchive Vulnerabilities (USN-3884-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (209710) and SecurityFocus (BID 106324†). Similar entries are available at VDB-128199, VDB-128200, VDB-128201 and VDB-128202. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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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Nessus ID: 209710
Nessus Name: F5 Networks BIG-IP : libarchive vulnerabilities (K000148255)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/20/2018 🔍
02/04/2019 +46 days 🔍
02/04/2019 +0 days 🔍
02/05/2019 +1 days 🔍
02/07/2019 +2 days 🔍
10/26/2024 +2088 days 🔍

Sourcesinfo

Product: github.com

Advisory: RHSA-2019:2298
Status: Confirmed

CVE: CVE-2019-1000020 (🔍)
GCVE (CVE): GCVE-0-2019-1000020
GCVE (VulDB): GCVE-100-130475
SecurityFocus: 106324 - Libarchive Multiple Denial Of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/05/2019 11:19
Updated: 10/26/2024 07:12
Changes: 02/05/2019 11:19 (59), 05/07/2020 20:45 (4), 07/04/2023 18:36 (4), 10/26/2024 07:12 (20)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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