Login Request a demo
Unscored severity · published Jun 8, 2009
CVE-2009-1957
charon/sa/ike_sa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an invalid…
–
CVSS
2.9%
EPSS
No
On KEV
Description
charon/sa/ike_sa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an invalid IKE_SA_INIT request that triggers "an incomplete state," followed by a CREATE_CHILD_SA request.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ST
Strongswan · Strongswan
through 4.3.0; 2.0.0; 2.0.1; 2.0.2; 2.1.0; 2.1.1; +34 more · source: NVD
Affected product
ST
Strongswan
Strongswan
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-1957
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-1957
Patch
http://download.strongswan.org/CHANGES4.txt
Patch
http://download.strongswan.org/patches/03_invalid_ike_state_patch/strongswan-4.x.x_invalid_ike_state.patch
Vendor Advisory
http://download.strongswan.org/patches/03_invalid_ike_state_patch/strongswan-4.x.x_invalid_ike_state.readme
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
secunia.com
http://secunia.com/advisories/35296
secunia.com
http://secunia.com/advisories/35685
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