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CVE
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CVE-2009-1959Date: (C)2009-06-07   (M)2018-06-02


Off-by-one error in the event_wallops function in fe-common/irc/fe-events.c in irssi 0.8.13 allows remote IRC servers to cause a denial of service (crash) via an empty command, which triggers a one-byte buffer under-read and a one-byte buffer underflow.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 5.0
Exploit Score: Exploit Score: 10.0
Impact Score: Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
SECTRACK-1022410
BID-35399
SECUNIA-35685
SECUNIA-35812
SECUNIA-36152
ADV-2009-1596
FEDORA-2009-7012
MDVSA-2009:133
SUSE-SR:2009:012
USN-800-1
http://www.openwall.com/lists/oss-security/2009/05/29/3
http://bugs.irssi.org/index.php?do=details&task_id=662
http://www.irssi.org/ChangeLog
http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
irssi-eventwallops-dos(51184)

CPE    1
cpe:/a:irssi:irssi:0.8.13
CWE    1
CWE-189
OVAL    6
oval:org.secpod.oval:def:700475
oval:org.secpod.oval:def:100939
oval:org.secpod.oval:def:101497
oval:org.secpod.oval:def:102022
...

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