ACCEL-PPP l2tp Packet memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in ACCEL-PPP and classified as critical. Affected by this issue is some unknown functionality of the component l2tp Handler. Executing a manipulation as part of Packet can lead to memory corruption. The identification of this vulnerability is CVE-2020-15173. The attack may be launched remotely. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as critical was found in ACCEL-PPP (the affected version is unknown). This vulnerability affects an unknown code of the component l2tp Handler. The manipulation as part of a Packet leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In ACCEL-PPP (an implementation of PPTP/PPPoE/L2TP/SSTP), there is a buffer overflow when receiving an l2tp control packet ith an AVP which type is a string and no hidden flags, length set to less than 6. If your application is used in open networks or there are untrusted nodes in the network it is highly recommended to apply the patch. The problem was patched with commit 2324bcd5ba12cf28f47357a8f03cd41b7c04c52b As a workaround changes of commit 2324bcd5ba12cf28f47357a8f03cd41b7c04c52b can be applied to older versions.

The weakness was shared 09/09/2020 (GitHub Repository). The advisory is available at github.com. This vulnerability was named CVE-2020-15173 since 06/25/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Applying the patch 2324bcd5ba12cf28f47357a8f03cd41b7c04c52b/2324bcd5ba12cf28f47357a8f03cd41b7c04c52b is able to eliminate this problem.

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

Productinfo

Name

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.2
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

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

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2324bcd5ba12cf28f47357a8f03cd41b7c04c52b/2324bcd5ba12cf28f47357a8f03cd41b7c04c52b

Timelineinfo

06/25/2020 🔍
09/09/2020 +76 days 🔍
09/10/2020 +1 days 🔍
09/10/2020 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2020-15173 (🔍)
GCVE (CVE): GCVE-0-2020-15173
GCVE (VulDB): GCVE-100-161074

Entryinfo

Created: 09/10/2020 07:34
Updated: 09/10/2020 07:39
Changes: 09/10/2020 07:34 (38), 09/10/2020 07:39 (11)
Complete: 🔍
Cache ID: 216::103

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