CVE-2008-4109
A certain Debian patch for OpenSSH before 4.3p2-9etch3 on etch; before 4.6p1-1 on sid and lenny; and on other distributions such as SUSE uses functions that are not async-signal-safe in the signal handler for login timeouts, which allows remote…
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EPSS puts the probability of exploitation in the next 30 days at 28.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
A certain Debian patch for OpenSSH before 4.3p2-9etch3 on etch; before 4.6p1-1 on sid and lenny; and on other distributions such as SUSE uses functions that are not async-signal-safe in the signal handler for login timeouts, which allows remote attackers to cause a denial of service (connection slot exhaustion) via multiple login attempts. NOTE: this issue exists because of an incorrect fix for CVE-2006-5051.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 28.39% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- openbsd/openssh
- Source
- cve@mitre.org
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498678
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00004.html
- http://secunia.com/advisories/31885
- http://secunia.com/advisories/32080
- http://secunia.com/advisories/32181
- http://www.debian.org/security/2008/dsa-1638Patch
- http://www.openwall.com/lists/oss-security/2024/07/01/3
- http://www.securitytracker.com/id?1020891
- http://www.ubuntu.com/usn/usn-649-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45202
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=498678
- http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00004.html
- http://secunia.com/advisories/31885
- http://secunia.com/advisories/32080
- http://secunia.com/advisories/32181
- http://www.debian.org/security/2008/dsa-1638Patch
- http://www.openwall.com/lists/oss-security/2024/07/01/3
- http://www.securitytracker.com/id?1020891
- http://www.ubuntu.com/usn/usn-649-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/45202
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.