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Vulnerability record · CVE-2008-5398 · published 9 December 2008

CVE-2008-5398: Tor permissions and access controls vulnerability

Tor · Tor

Tor before 0.2.0.32 does not properly process the ClientDNSRejectInternalAddresses configuration option in situations where an exit relay issues a policy-based refusal of a stream, which allows remote exit relays to have an unknown impact by mapping an internal IP address to the destination hostname of a refused stream.

9.3 CVSS 2.0 High EPSS 2.0% · top 19.7% CWE-264 · Permissions and access controls
9.3CVSS 2.0 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Tor before 0.2.0.32 does not properly process the ClientDNSRejectInternalAddresses configuration option in situations where an exit relay issues a policy-based refusal of a stream, which allows remote exit relays to have an unknown impact by mapping an internal IP address to the destination hostname of a refused stream.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2010-1676Tor memory buffer overflow vulnerabilityHeap-based buffer overflow in Tor before 0.2.1.28 and 0.2.2.x before 0.2.2.20-alpha allows remote attackers to cause a denial of service (daemon cras…EPSS 7.9%10.0CVE-2009-0939Tor vulnerabilityTor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to "Spec conformance," as demonstr…EPSS 2.1%10.0CVE-2009-0414Tor vulnerabilityUnspecified vulnerability in Tor before 0.2.0.33 has unspecified impact and remote attack vectors that trigger heap corruption.EPSS 3.0%7.6CVE-2011-2778Tor memory buffer overflow vulnerabilityMultiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or possibly execu…EPSS 3.8%7.5CVE-2006-3409Tor vulnerabilityInteger overflow in Tor before 0.1.1.20 allows remote attackers to execute arbitrary code via crafted large inputs, which result in a buffer overflow…EPSS 3.7%7.2CVE-2008-5397Tor permissions and access controls vulnerabilityTor before 0.2.0.32 does not properly process the (1) User and (2) Group configuration options, which might allow local users to gain privileges by l…EPSS 0.36%6.8CVE-2011-0427Tor memory buffer overflow vulnerabilityHeap-based buffer overflow in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha allows remote attackers to cause a denial of service (memory corr…EPSS 4.4%6.4CVE-2007-4097Tor vulnerabilityTor before 0.1.2.15 sends "destroy cells" containing the reason for tearing down a circuit, which allows remote attackers to obtain sensitive informa…EPSS 2.2%

Source: NIST National Vulnerability Database (record CVE-2008-5398), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.