Vulnerability Name:

CVE-2010-2521 (CCN-61008)

Assigned:2010-04-20
Published:2010-04-20
Updated:2023-02-13
Summary:Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel before 2.6.34-rc6 allow remote attackers to cause a denial of service (panic) or possibly execute arbitrary code via a crafted NFSv4 compound WRITE request, related to the read_buf and nfsd4_decode_compound functions.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
7.4 High (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
8.3 High (REDHAT CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C)
6.2 Medium (REDHAT Temporal CVSS v2 Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2010-2521

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: RHSA-2010-0606
Important: kernel security and bug fix update

Source: CCN
Type: RHSA-2010-0610
Important: kernel security and bug fix update

Source: CCN
Type: RHSA-2010-0631
Important: kernel-rt security and bug fix update

Source: CCN
Type: RHSA-2010-0893
Important: kernel security and bug fix update

Source: CCN
Type: RHSA-2010-0907
Important: kernel security and bug fix update

Source: CCN
Type: SA43315
VMware ESX Server Multiple Kernel Vulnerabilities

Source: CCN
Type: SECTRACK ID: 1024286
Linux Kernel NFS Server-Side XDR Buffer Overflow May Let Remote Users Execute Arbitrary Code

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: DEBIAN
Type: DSA-2094
linux-2.6 -- privilege escalation/denial of service/information leak

Source: CCN
Type: The Linux Kernel Archives Web site
The Linux Kernel Archives

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: OSVDB ID: 67243
Linux Kernel fs/nfsd/nfs4xdr.c NFS XDR Compound Request Handling Overflow

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: BID-42249
Linux Kernel XDR Implementation Local Buffer Overflow Vulnerability

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: Red Hat Bugzilla Bug 612028
CVE-2010-2521 kernel: nfsd4: bug in read_buf

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: XF
Type: UNKNOWN
kernel-readbuf-bo(61008)

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: SUSE
Type: SUSE-SA:2010:036
Linux kernel security update

Source: SUSE
Type: SUSE-SA:2010:038
Linux kernel security update

Source: SUSE
Type: SUSE-SA:2010:040
Linux kernel security update

Source: SUSE
Type: SUSE-SA:2010:046
openSUSE 11.2 kernel security update

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:4:*:*:*:*:*:*:*
  • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*
  • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*
  • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*
  • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*
  • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*
  • Configuration RedHat 8:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4:ga:ws:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*
  • OR cpe:/o:novell:suse_linux_enterprise_server:10:sp2:itanium_ia64:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*
  • OR cpe:/a:novell:open_enterprise_server:*:*:*:*:*:*:*:*
  • OR cpe:/o:mandriva:linux:2009.0:*:*:*:*:*:*:*
  • OR cpe:/o:mandriva:linux:2009.0:-:x86_64:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:5.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20102521
    V
    CVE-2010-2521
    2022-05-20
    oval:org.mitre.oval:def:12645
    P
    DSA-2094-1 linux-2.6 -- privilege escalation/denial of service/information leak
    2014-07-21
    oval:org.mitre.oval:def:13363
    P
    USN-1074-2 -- linux-fsl-imx51 vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:12770
    P
    USN-1074-1 -- linux-fsl-imx51 vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:13314
    P
    USN-1083-1 -- linux-lts-backport-maverick vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:13321
    P
    USN-1000-1 -- linux, linux-ec2, linux-source-2.6.15 vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:23058
    P
    ELSA-2010:0610: kernel security and bug fix update (Important)
    2014-05-26
    oval:org.mitre.oval:def:22091
    P
    RHSA-2010:0610: kernel security and bug fix update (Important)
    2014-02-24
    oval:org.mitre.oval:def:20401
    V
    Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX
    2014-01-20
    oval:org.debian:def:2094
    V
    privilege escalation/denial of service/information leak
    2010-08-19
    oval:com.redhat.rhsa:def:20100610
    P
    RHSA-2010:0610: kernel security and bug fix update (Important)
    2010-08-10
    oval:com.redhat.rhsa:def:20100606
    P
    RHSA-2010:0606: kernel security and bug fix update (Important)
    2010-08-05
    BACK
    redhat enterprise linux 4
    redhat enterprise linux 4
    redhat enterprise linux 4 ga
    redhat enterprise linux 4
    redhat enterprise linux 4
    novell suse linux enterprise server 10 sp2
    redhat enterprise linux 5
    redhat enterprise linux 5
    novell open enterprise server *
    mandriva linux 2009.0
    mandriva linux 2009.0 -
    debian debian linux 5.0