tcpdump up to 4.9.1 RADIUS Parser print-radius.c print_attr_string memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in tcpdump up to 4.9.1. This affects the function print_attr_string of the file print-radius.c of the component RADIUS Parser. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2017-13032. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in tcpdump up to 4.9.1 (Packet Analyzer Software). It has been classified as critical. This affects the function print_attr_string of the file print-radius.c of the component RADIUS Parser. 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:

The RADIUS parser in tcpdump before 4.9.2 has a buffer over-read in print-radius.c:print_attr_string().

The bug was discovered 09/11/2017. The weakness was disclosed 09/14/2017 (Website). It is possible to read the advisory at securitytracker.com. This vulnerability is uniquely identified as CVE-2017-13032 since 08/21/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103257 (Debian DLA-1097-1 : tcpdump security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 330033 (IBM AIX tcpdump Multiple Vulnerabilities (tcpdump_advisory3)).

Upgrading to version 4.9.2 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103257). The entries VDB-21822, VDB-21823, VDB-106590 and VDB-106591 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 103257
Nessus Name: Debian DLA-1097-1 : tcpdump security update
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: tcpdump 4.9.2
Patch: github.com

Timelineinfo

08/21/2017 🔍
09/11/2017 +21 days 🔍
09/14/2017 +3 days 🔍
09/14/2017 +0 days 🔍
09/14/2017 +0 days 🔍
09/15/2017 +1 days 🔍
09/18/2017 +3 days 🔍
12/29/2022 +1928 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: 1bc78d795cd5cad5525498658f414a11ea0a7e9c⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-13032 (🔍)
GCVE (CVE): GCVE-0-2017-13032
GCVE (VulDB): GCVE-100-106647

OVAL: 🔍

SecurityTracker: 1039307

See also: 🔍

Entryinfo

Created: 09/14/2017 17:32
Updated: 12/29/2022 07:22
Changes: 09/14/2017 17:32 (78), 11/16/2019 11:57 (2), 01/12/2021 19:33 (2), 12/29/2022 07:22 (4)
Complete: 🔍
Cache ID: 216::103

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