Memory corruption in Linux kernel bluetooth

1) Memory corruption

EUVDB-ID: #VU95728

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2010-1084

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption error within the sco_sysfs_show() function in net/bluetooth/sco.c, within the rfcomm_sock_sysfs_show() function in net/bluetooth/rfcomm/sock.c, within the rfcomm_dlc_sysfs_show() function in net/bluetooth/rfcomm/core.c, within the l2cap_sysfs_show() function in net/bluetooth/l2cap.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=101545f6fef4a0a3ea8daf0b5b880df2c6a92a69
https://secunia.com/advisories/39830
https://secunia.com/advisories/43315
https://security-tracker.debian.org/tracker/CVE-2010-1084
https://www.debian.org/security/2010/dsa-2053
https://www.openwall.com/lists/oss-security/2010/03/23/1
https://www.redhat.com/support/errata/RHSA-2010-0610.html
https://www.securityfocus.com/archive/1/516397/100/0/threaded
https://www.securityfocus.com/bid/38898
https://www.vmware.com/security/advisories/VMSA-2011-0003.html
https://bugzilla.redhat.com/show_bug.cgi?id=576018

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.