CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in FreeBSD up to 2.1.6.1 (Operating System). This affects an unknown functionality of the component ppp. The manipulation of the argument HOME
as part of a Environment Variable leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The software 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:
buffer overflow in ppp program in freebsd 2.1 and earlier allows local users to gain privileges via a long home environment variable.
The weakness was released 12/19/1996 as FreeBSD-SA-96:20 as not defined advisory (Website). It is possible to read the advisory at ftp.freebsd.org. This vulnerability is uniquely identified as CVE-1999-1385. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details and a exploit are known.
After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The exploit is shared for download at archives.neohapsis.com. We expect the 0-day to have been worth approximately $5k-$25k.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (7465) and Vulnerability Center (SBV-23331).
Product
Type
Name
License
- open-source
CPE 2.3
CPE 2.2
CVSSv3
VulDB Meta Base Score: 9.3VulDB Meta Temp Score: 8.4
VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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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 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
12/16/1996 🔍12/19/1996 🔍
12/19/1996 🔍
12/19/1996 🔍
04/09/2004 🔍
08/31/2009 🔍
06/17/2014 🔍
02/13/2017 🔍
Sources
Product: freebsd.orgAdvisory: FreeBSD-SA-96:20
Status: Not defined
CVE: CVE-1999-1385 (🔍)
X-Force: 7465
Vulnerability Center: 23331 - FreeBSD <= 2.1 PPP HOME Environment Variable Local Privileges Escalation Vulnerability, High
OSVDB: 6085 - FreeBSD ppp HOME Environment Local Overflow
Entry
Created: 06/17/2014 06:04 PMUpdated: 02/13/2017 10:33 AM
Changes: 06/17/2014 06:04 PM (54), 02/13/2017 10:33 AM (9)
Complete: 🔍
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