CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.7 | $0-$5k | 0.00 |
A vulnerability was found in tcpdump 4.9.0 (Packet Analyzer Software). It has been classified as critical. Affected is the function lldp_print
of the file print-lldp.c. 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. CVE summarizes:
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 released 07/23/2017 (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2017-11541 since 07/22/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103091 (Slackware 13.37 / 14.0 / 14.1 / 14.2 / current : tcpdump (SSA:2017-251-03)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware 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 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (103091). Entries connected to this vulnerability are available at 103358, 104407, 104408 and 106590.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.0VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 103091
Nessus Name: Slackware 13.37 / 14.0 / 14.1 / 14.2 / current : tcpdump (SSA:2017-251-03)
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
07/18/2017 🔍07/22/2017 🔍
07/22/2017 🔍
07/22/2017 🔍
07/23/2017 🔍
07/23/2017 🔍
09/08/2017 🔍
09/11/2017 🔍
01/06/2021 🔍
Sources
Product: tcpdump.orgAdvisory: securityfocus.com⛔
Researcher: hackerlib
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-11541 (🔍)
OVAL: 🔍
SecurityTracker: 1039307
SecurityFocus: 99941 - tcpdump 'lldp_print()' Function Heap Buffer Overflow Vulnerability
See also: 🔍
Entry
Created: 07/23/2017 10:19Updated: 01/06/2021 10:48
Changes: 07/23/2017 10:19 (67), 10/31/2019 15:44 (15), 01/06/2021 10:43 (2), 01/06/2021 10:48 (1)
Complete: 🔍
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