libarchive 3.0.2 7zip File archive_read_support_format_7zip.c header_bytes out-of-bounds

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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in libarchive 3.0.2. This vulnerability affects the function header_bytes of the file archive_read_support_format_7zip.c of the component 7zip File Handler. Executing a manipulation can lead to out-of-bounds. The identification of this vulnerability is CVE-2019-1000019. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in libarchive 3.0.2 (File Compression Software). This vulnerability affects the function header_bytes of the file archive_read_support_format_7zip.c of the component 7zip File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

libarchive version commit bf9aec176c6748f0ee7a678c5f9f9555b9a757c1 onwards (release v3.0.2 onwards) contains a CWE-125: Out-of-bounds Read vulnerability in 7zip decompression, archive_read_support_format_7zip.c, header_bytes() that can result in a crash (denial of service). This attack appears to be exploitable via the victim opening a specially crafted 7zip file.

The bug was discovered 02/07/2019. The weakness was shared 02/04/2019 (Website). The advisory is available at lists.fedoraproject.org. This vulnerability was named CVE-2019-1000019 since 02/04/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

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†). The entries VDB-128199, VDB-128200, VDB-128201 and VDB-128202 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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-2019-1000019 (🔍)
GCVE (CVE): GCVE-0-2019-1000019
GCVE (VulDB): GCVE-100-130474
SecurityFocus: 106324 - Libarchive Multiple Denial Of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/05/2019 11:14
Updated: 10/26/2024 07:12
Changes: 02/05/2019 11:14 (60), 05/07/2020 20:42 (4), 07/04/2023 18:29 (4), 10/26/2024 07:12 (21)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!