Stack-based buffer overflow in Cyrus IMAP Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2011-3208 |
| CWE-ID | CWE-121 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Cyrus IMAP Server Server applications / Other server solutions |
| Vendor | Carnegie Mellon University |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Stack-based buffer overflow
EUVDB-ID: #VU44743
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:C]
CVE-ID: CVE-2011-3208
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the split_wildmats function in nntpd.c in nntpd when processing a crafted NNTP command. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsCyrus IMAP Server: 2.0.17 - 2.4.10
External linkshttp://asg.andrew.cmu.edu/archive/message.php?mailbox=archive.cyrus-announce&msg=199
http://asg.andrew.cmu.edu/archive/message.php?mailbox=archive.cyrus-announce&msg=200
http://git.cyrusimap.org/cyrus-imapd/commit/?id=0f8f026699829b65733c3081657b24e2174f4f4d
http://git.cyrusimap.org/cyrus-imapd/commit/?id=3244c18c928fa331f6927e2b8146abe90feafddd
http://lists.opensuse.org/opensuse-updates/2011-09/msg00019.html
http://secunia.com/advisories/45938
http://secunia.com/advisories/45975
http://secunia.com/advisories/46064
http://securitytracker.com/id?1026031
http://www.debian.org/security/2011/dsa-2318
http://www.mandriva.com/security/advisories?name=MDVSA-2011:149
http://www.osvdb.org/75307
http://www.redhat.com/support/errata/RHSA-2011-1317.html
http://www.securityfocus.com/bid/49534
http://bugzilla.redhat.com/show_bug.cgi?id=734926
http://exchange.xforce.ibmcloud.com/vulnerabilities/69679
http://hermes.opensuse.org/messages/11723935
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
