3.6

CVE-2006-4842: netscape portable_runtime_api Improper Input Validation

CVSS: 3.6v2.0LowModified
Published 12-10-2006Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2006-4842 is a low (CVSS 3.6) Improper Input Validation vulnerability in netscape portable_runtime_api. EPSS estimates a 7.62% chance of exploitation in the next 30 days, higher than 94.5% of scored vulnerabilities. 7 public exploits are recorded.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
3.6/10
010
Low · v2.0 (NVD)
EPSS score
7.62%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits7exploit-database, metasploit

Timeline

  1. 12-10-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The Netscape Portable Runtime (NSPR) API 4.6.1 and 4.6.2, as used in Sun Solaris 10, trusts user-specified environment variables for specifying log files even when running from setuid programs, which allows local users to create or overwrite arbitrary files.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

7.62%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 7.62% on 19-09-2026

19-09-202619-10-2026
EPSS score
7.62%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

7 found
  • exploit-databaselocalsolarisVerified

    Solaris - libnspr NSPR_LOG_FILE Privilege Escalation (Metasploit)

    Maturity: weaponized

  • exploit-databaselocalsolarisVerified

    Solaris 10 libnspr - 'Constructor' Arbitrary File Creation Privilege Escalation (3)

    Maturity: weaponized

  • exploit-databaselocalsolarisVerified

    Solaris 10 libnspr - 'LD_PRELOAD' Arbitrary File Creation Privilege Escalation (1)

    Maturity: weaponized

Show all 7 exploits
  • exploit-databaselocalsolarisVerified

    Solaris 10 libnspr - 'LD_PRELOAD' Arbitrary File Creation Privilege Escalation (2)

    Maturity: weaponized

  • exploit-databaselocalsolarisVerified

    Sun Solaris Netscape Portable Runtime API 4.6.1 - Local Privilege Escalation (1)

    Maturity: weaponized

  • exploit-databaselocalsolarisVerified

    Sun Solaris Netscape Portable Runtime API 4.6.1 - Local Privilege Escalation (2)

    Maturity: weaponized

  • MetasploitMetasploitremoteVerified

    Solaris libnspr NSPR_LOG_FILE Privilege Escalation

    exploit/solaris/local/libnspr_nspr_log_file_priv_esc

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Netscape1 product
Sun1 product

2 vendors · 2 products

References

10 links