Vulnerability CVE-2008-2469
Published: 2008-10-23   Modified: 2012-02-12

Description:
Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via a long DNS TXT record with a modified length field.

See advisories in our WLB2 database:
Topic
Author
Date
High
LibSPF2 < 1.2.8 DNS TXT Record Parsing Bug Heap Overflow PoC
Dan Kaminsky
25.10.2008

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Libspf -> Libspf2 

 References:
http://www.kb.cert.org/vuls/id/183657
http://www.securityfocus.com/bid/31881
https://bugs.launchpad.net/ubuntu/feisty/+source/libspf2/+bug/271025
https://answers.launchpad.net/ubuntu/gutsy/+source/libspf2/1.2.5.dfsg-4ubuntu0.7.10.1
http://xforce.iss.net/xforce/xfdb/46055
http://www.vupen.com/english/advisories/2008/2896
http://www.milw0rm.com/exploits/6805
http://www.doxpara.com/?page_id=1256
http://www.doxpara.com/?p=1263
http://www.debian.org/security/2008/dsa-1659
http://up2date.astaro.com/2008/11/up2date_7305_released.html
http://securityreason.com/securityalert/4487
http://security.gentoo.org/glsa/glsa-200810-03.xml
http://secunia.com/advisories/32720
http://secunia.com/advisories/32496
http://secunia.com/advisories/32450
http://secunia.com/advisories/32396
http://bugs.gentoo.org/show_bug.cgi?format=multiple&id=242254
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