grsecurity archer 2.1.7 trivial Local Privilege Escalation ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in grsecurity archer 2.1.7. Affected by this vulnerability is the function trivial. Executing a manipulation can lead to Local Privilege Escalation. This vulnerability appears as CVE-2007-0257. In addition, an exploit is available. The presence of this vulnerability remains uncertain at this time.

Detailsinfo

A vulnerability classified as critical was found in grsecurity archer 2.1.7. This vulnerability affects the function trivial. The manipulation with an unknown input leads to a local privilege escalation vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

** DISPUTED ** Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that "the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities." The developer also cites a past disclosure that was not proven. As of 20070120, the original researcher has released demonstration code.

The weakness was presented 01/16/2007 (Website). The advisory is shared for download at vupen.com. This vulnerability was named CVE-2007-0257 since 01/16/2007. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (29446), SecurityFocus (BID 22014†), OSVDB (32727†), Secunia (SA23713†) and SecurityTracker (ID 1017509†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA 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: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/18/2006 🔍
01/12/2007 +25 days 🔍
01/12/2007 +0 days 🔍
01/16/2007 +3 days 🔍
01/16/2007 +0 days 🔍
01/16/2007 +0 days 🔍
03/12/2015 +2977 days 🔍
01/17/2025 +3599 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Not defined
Disputed: 🔍

CVE: CVE-2007-0257 (🔍)
GCVE (CVE): GCVE-0-2007-0257
GCVE (VulDB): GCVE-100-34408
SecurityFocus: 22014 - Grsecurity Kernel PaX Local Privilege Escalation Vulnerability
Secunia: 23713
OSVDB: 32727 - grsecurity expand_stack() Function Local Privilege Escalation
SecurityTracker: 1017509
Vupen: ADV-2007-0155

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/12/2015 22:21
Updated: 01/17/2025 15:56
Changes: 03/12/2015 22:21 (60), 08/14/2018 08:29 (2), 08/07/2024 15:53 (19), 12/30/2024 04:02 (3), 01/17/2025 15:56 (12)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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