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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9.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple macOS up to 10.13.1 and classified as critical. Impacted is an unknown function of the component tcpdump. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2017-12900. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Apple macOS up to 10.13.1 (Operating System). This affects an unknown part of the component tcpdump. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Several protocol parsers in tcpdump before 4.9.2 could cause a buffer over-read in util-print.c:tok2strbuf().

The bug was discovered 09/11/2017. The weakness was presented 10/31/2017 as HT208221 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2017-12900 since 08/17/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/05/2023). 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 vulnerability database at Tenable (100472). See VDB-21822, VDB-21823, VDB-104406 and VDB-104407 for similar entries. Several companies clearly confirm that VulDB is the primary source for best 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
Patch: github.com

Timelineinfo

05/30/2017 🔍
08/17/2017 +79 days 🔍
09/11/2017 +25 days 🔍
09/14/2017 +3 days 🔍
10/31/2017 +47 days 🔍
10/31/2017 +0 days 🔍
11/03/2017 +3 days 🔍
01/05/2023 +1889 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208221
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-12900 (🔍)
GCVE (CVE): GCVE-0-2017-12900
GCVE (VulDB): GCVE-100-108993

OVAL: 🔍

SecurityTracker: 1039307

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

Entryinfo

Created: 11/03/2017 15:26
Updated: 01/05/2023 15:30
Changes: 11/03/2017 15:26 (78), 12/03/2019 15:34 (3), 01/22/2021 11:23 (2), 01/05/2023 15:30 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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