Apple macOS up to 10.13.1 tcpdump memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.13.1. It has been rated as critical. The affected element is an unknown function of the component tcpdump. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2017-11541. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Apple macOS up to 10.13.1 (Operating System). This issue affects an unknown function of the component tcpdump. 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. The summary by CVE is:

tcpdump 4.9.0 has a heap-based buffer over-read in the lldp_print function in print-lldp.c, related to util-print.c.

The bug was discovered 07/18/2017. The weakness was presented 10/31/2017 as HT208221 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2017-11541 since 07/22/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/22/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

Multiple issues were addressed by updating to version 4.9.2.

The vulnerability scanner Nessus provides a plugin with the ID 100472 (AIX 5.3 TL 12 : tcpdump (IV94729)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176147 (Debian Security Update for tcpdump (DSA 3971-1)).

Upgrading to version 10.13.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100472) and SecurityFocus (BID 99941†). See VDB-103358, VDB-104406, VDB-104407 and VDB-104408 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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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: 100472
Nessus Name: AIX 5.3 TL 12 : tcpdump (IV94729)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53377
OpenVAS Name: Debian Security Advisory DSA 3971-1 (tcpdump - security update)
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: macOS 10.13.1

Timelineinfo

05/30/2017 🔍
07/18/2017 +49 days 🔍
07/22/2017 +4 days 🔍
07/22/2017 +0 days 🔍
07/22/2017 +0 days 🔍
10/31/2017 +101 days 🔍
10/31/2017 +0 days 🔍
11/03/2017 +3 days 🔍
01/22/2021 +1176 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208221
Researcher: hackerlib
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-11541 (🔍)
GCVE (CVE): GCVE-0-2017-11541
GCVE (VulDB): GCVE-100-108983

OVAL: 🔍

SecurityFocus: 99941 - tcpdump 'lldp_print()' Function Heap Buffer Overflow Vulnerability
SecurityTracker: 1039307

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 11/03/2017 15:25
Updated: 01/22/2021 10:30
Changes: 11/03/2017 15:25 (80), 12/03/2019 14:52 (5), 01/22/2021 10:24 (2), 01/22/2021 10:30 (1)
Complete: 🔍
Cache ID: 216::103

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