Perl up to 5.26.1 pack memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Perl up to 5.26.1. This vulnerability affects the function pack. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2018-6913. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Perl up to 5.26.1 (Programming Language Software). It has been rated as critical. Affected by this issue is the function pack. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the pack function in Perl before 5.26.2 allows context-dependent attackers to execute arbitrary code via a large item count.

The bug was discovered 04/15/2018. The weakness was released 04/17/2018 (Website). The advisory is available at lists.debian.org. This vulnerability is handled as CVE-2018-6913 since 02/11/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111150 (SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2018:1972-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171033 (SUSE Enterprise Linux Security Update for perl (SUSE-SU-2018:0976-1)).

Upgrading to version 5.26.2 eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111150) and SecurityFocus (BID 103953†). Entries connected to this vulnerability are available at VDB-116304, VDB-116305, VDB-119252 and VDB-126325. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 111150
Nessus Name: SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2018:1972-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53601
OpenVAS Name: Fedora Update for perl-Module-CoreList FEDORA-2018-1c8b49fbc7
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Perl 5.26.2

Timelineinfo

02/11/2018 🔍
04/14/2018 +62 days 🔍
04/15/2018 +1 days 🔍
04/17/2018 +1 days 🔍
04/17/2018 +0 days 🔍
04/18/2018 +1 days 🔍
07/17/2018 +90 days 🔍
07/18/2018 +1 days 🔍
02/28/2023 +1686 days 🔍

Sourcesinfo

Advisory: USN-3625-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-6913 (🔍)
GCVE (CVE): GCVE-0-2018-6913
GCVE (VulDB): GCVE-100-116306

OVAL: 🔍

SecurityFocus: 103953 - Perl CVE-2018-6913 Heap Buffer Overflow Vulnerability
SecurityTracker: 1040681

See also: 🔍

Entryinfo

Created: 04/18/2018 10:15
Updated: 02/28/2023 12:12
Changes: 04/18/2018 10:15 (78), 01/25/2020 17:27 (4), 02/10/2021 09:31 (2), 02/28/2023 12:12 (3)
Complete: 🔍
Cache ID: 216::103

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

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