tcpdump up to 4.9.1 NFS Parser print-nfs.c nfs_printfh memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.9 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in tcpdump up to 4.9.1 (Packet Analyzer Software). Affected by this issue is the function nfs_printfh
of the file print-nfs.c of the component NFS Parser. 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. CVE summarizes:
The NFS parser in tcpdump before 4.9.2 has a buffer over-read in print-nfs.c:nfs_printfh().
The bug was discovered 09/11/2017. The weakness was released 09/14/2017 (Website). The advisory is shared for download at securitytracker.com. This vulnerability is handled as CVE-2017-13001 since 08/21/2017. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
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.
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). Entries connected to this vulnerability are available at 21822, 21823, 106590 and 106591.
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
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
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: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: tcpdump 4.9.2
Patch: github.com
Timeline
08/21/2017 🔍09/11/2017 🔍
09/14/2017 🔍
09/14/2017 🔍
09/14/2017 🔍
09/15/2017 🔍
09/18/2017 🔍
12/28/2022 🔍
Sources
Product: tcpdump.orgAdvisory: 7a923447fd49a069a0fd3b6c3547438ab5ee2123⛔
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-13001 (🔍)
OVAL: 🔍
SecurityTracker: 1039307
See also: 🔍
Entry
Created: 09/14/2017 17:21Updated: 12/28/2022 17:04
Changes: 09/14/2017 17:21 (76), 11/16/2019 08:54 (2), 01/12/2021 17:01 (2), 12/28/2022 17:04 (4)
Complete: 🔍
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