CVE-2009-0124

The tqsl_verifyDataBlock function in openssl_cert.cpp in American Radio Relay League (ARRL) tqsllib 2.0 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077.

CVSS v2.0 5.0 MEDIUM

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://openwall.com/lists/oss-security/2009/01/12/4
https://bugzilla.redhat.com/show_bug.cgi?id=479650
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511509	Exploit
http://secunia.com/advisories/33543
https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00557.html

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:arrl:tqsllib:2.0:*:*:*:*:*:*:*

Information

Published : 2009-01-15 09:30

Updated : 2009-02-05 23:05

NVD link : CVE-2009-0124

Mitre link : CVE-2009-0124

JSON object : View

CWE

CWE-287

Improper Authentication

Advertisement

Products Affected

arrl

tqsllib

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://openwall.com/lists/oss-security/2009/01/12/4", "name": "[oss-security] 20090112 CVE Request -- tsqllib, slurm-llnl, libnasl, libcrypt-openssl-dsa-perl, erlang, boinc-client, m2crypto", "tags": [], "refsource": "MLIST"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=479650", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=479650", "tags": [], "refsource": "CONFIRM"}, {"url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511509", "name": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511509", "tags": ["Exploit"], "refsource": "MISC"}, {"url": "http://secunia.com/advisories/33543", "name": "33543", "tags": [], "refsource": "SECUNIA"}, {"url": "https://www.redhat.com/archives/fedora-package-announce/2009-January/msg00557.html", "name": "FEDORA-2009-0543", "tags": [], "refsource": "FEDORA"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The tqsl_verifyDataBlock function in openssl_cert.cpp in American Radio Relay League (ARRL) tqsllib 2.0 does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-287"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2009-0124", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2009-01-15T17:30Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:arrl:tqsllib:2.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2009-02-06T07:05Z"}