Linux kernel BER decoder buffer overflow
| linux-kernel-ber-decoder-bo (42921) |
Description:
Linux kernel is vulnerable to a buffer overflow, caused by improper bounds checking by the ASN.1 BER decoder of the cifs and ip_nat_snmp_basic modules. By sending specially-crafted BER encoded data, a remote attacker from within the local network could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
Platforms Affected:
- Canonical, Ubuntu 6.06 LTS
- Canonical, Ubuntu 7.04
- Canonical, Ubuntu 7.10
- Canonical, Ubuntu 8.04 LTS
- Debian, Debian Linux 4.0
- Linux, Kernel 2.4.0 test8
- Linux, Kernel 2.4.0 test9
- Linux, Kernel 2.4.0
- Linux, Kernel 2.4.0 test1
- Linux, Kernel 2.4.0 test10
- Linux, Kernel 2.4.0 test11
- Linux, Kernel 2.4.0 test12
- Linux, Kernel 2.4.0 test2
- Linux, Kernel 2.4.0 test3
- Linux, Kernel 2.4.0 test4
- Linux, Kernel 2.4.0 test5
- Linux, Kernel 2.4.0 test6
- Linux, Kernel 2.4.0 test7
- Linux, Kernel 2.4.1
- Linux, Kernel 2.4.10
- Linux, Kernel 2.4.11
- Linux, Kernel 2.4.12
- Linux, Kernel 2.4.13
- Linux, Kernel 2.4.14
- Linux, Kernel 2.4.15
- Linux, Kernel 2.4.16
- Linux, Kernel 2.4.17
- Linux, Kernel 2.4.18 pre8
- Linux, Kernel 2.4.18 pre7
- Linux, Kernel 2.4.18 pre6
- Linux, Kernel 2.4.18 pre5
- Linux, Kernel 2.4.18
- Linux, Kernel 2.4.18 pre3
- Linux, Kernel 2.4.18 pre2
- Linux, Kernel 2.4.18 pre1
- Linux, Kernel 2.4.18 pre4
- Linux, Kernel 2.4.19 pre1
- Linux, Kernel 2.4.19 pre2
- Linux, Kernel 2.4.19 pre3
- Linux, Kernel 2.4.19 pre4
- Linux, Kernel 2.4.19 pre5
- Linux, Kernel 2.4.19 pre6
- Linux, Kernel 2.4.19
- Linux, Kernel 2.4.2
- Linux, Kernel 2.4.20
- Linux, Kernel 2.4.21 pre7
- Linux, Kernel 2.4.21 pre1
- Linux, Kernel 2.4.21 pre4
- Linux, Kernel 2.4.21
- Linux, Kernel 2.4.22
- Linux, Kernel 2.4.23
- Linux, Kernel 2.4.23 pre9
- Linux, Kernel 2.4.23 ow2
- Linux, Kernel 2.4.24 ow1
- Linux, Kernel 2.4.24
- Linux, Kernel 2.4.25
- Linux, Kernel 2.4.26
- Linux, Kernel 2.4.27 pre5
- Linux, Kernel 2.4.27 pre1
- Linux, Kernel 2.4.27 pre3
- Linux, Kernel 2.4.27 pre4
- Linux, Kernel 2.4.27
- Linux, Kernel 2.4.27 pre2
- Linux, Kernel 2.4.28
- Linux, Kernel 2.4.29 rc2
- Linux, Kernel 2.4.29
- Linux, Kernel 2.4.29 rc1
- Linux, Kernel 2.4.3
- Linux, Kernel 2.4.30
- Linux, Kernel 2.4.30 rc3
- Linux, Kernel 2.4.30 rc2
- Linux, Kernel 2.4.31 pre1
- Linux, Kernel 2.4.31
- Linux, Kernel 2.4.32 pre1
- Linux, Kernel 2.4.32
- Linux, Kernel 2.4.32 pre2
- Linux, Kernel 2.4.33 pre1
- Linux, Kernel 2.4.33
- Linux, Kernel 2.4.33.2
- Linux, Kernel 2.4.33.3
- Linux, Kernel 2.4.33.4
- Linux, Kernel 2.4.33.5
- Linux, Kernel 2.4.34
- Linux, Kernel 2.4.35
- Linux, Kernel 2.4.36
- Linux, Kernel 2.4.36.1
- Linux, Kernel 2.4.36.2
- Linux, Kernel 2.4.36.3
- Linux, Kernel 2.4.36.4
- Linux, Kernel 2.4.36.5
- Linux, Kernel 2.4.4
- Linux, Kernel 2.4.5
- Linux, Kernel 2.4.6
- Linux, Kernel 2.4.7
- Linux, Kernel 2.4.8
- Linux, Kernel 2.4.9
- Linux, Kernel 2.6.0 test3
- Linux, Kernel 2.6.0 test7
- Linux, Kernel 2.6.0 test5
- Linux, Kernel 2.6.0 test6
- Linux, Kernel 2.6.0
- Linux, Kernel 2.6.0 test4
- Linux, Kernel 2.6.0 test8
- Linux, Kernel 2.6.0 test9
- Linux, Kernel 2.6.0 test2
- Linux, Kernel 2.6.0 test1
- Linux, Kernel 2.6.0 test9-cvs
- Linux, Kernel 2.6.1
- Linux, Kernel 2.6.1 rc1
- Linux, Kernel 2.6.1 rc2
- Linux, Kernel 2.6.10
- Linux, Kernel 2.6.10 rc2
- Linux, Kernel 2.6.11 rc2
- Linux, Kernel 2.6.11
- Linux, Kernel 2.6.11 rc3
- Linux, Kernel 2.6.11 rc4
- Linux, Kernel 2.6.11.11
- Linux, Kernel 2.6.11.12
- Linux, Kernel 2.6.11.4
- Linux, Kernel 2.6.11.5
- Linux, Kernel 2.6.11.6
- Linux, Kernel 2.6.11.7
- Linux, Kernel 2.6.11.8
- Linux, Kernel 2.6.12 rc1
- Linux, Kernel 2.6.12 rc4
- Linux, Kernel 2.6.12 rc5
- Linux, Kernel 2.6.12
- Linux, Kernel 2.6.12.1
- Linux, Kernel 2.6.12.12
- Linux, Kernel 2.6.12.2
- Linux, Kernel 2.6.12.22
- Linux, Kernel 2.6.12.3
- Linux, Kernel 2.6.12.4
- Linux, Kernel 2.6.12.5
- Linux, Kernel 2.6.12.6
- Linux, Kernel 2.6.13 rc1
- Linux, Kernel 2.6.13 rc4
- Linux, Kernel 2.6.13 rc6
- Linux, Kernel 2.6.13 rc7
- Linux, Kernel 2.6.13
- Linux, Kernel 2.6.13.1
- Linux, Kernel 2.6.13.2
- Linux, Kernel 2.6.13.3
- Linux, Kernel 2.6.13.4
- Linux, Kernel 2.6.14 rc3
- Linux, Kernel 2.6.14 rc1
- Linux, Kernel 2.6.14 rc4
- Linux, Kernel 2.6.14 rc2
- Linux, Kernel 2.6.14
- Linux, Kernel 2.6.14.1
- Linux, Kernel 2.6.14.2
- Linux, Kernel 2.6.14.3
- Linux, Kernel 2.6.14.4
- Linux, Kernel 2.6.14.5
- Linux, Kernel 2.6.15
- Linux, Kernel 2.6.15 rc2
- Linux, Kernel 2.6.15 rc3
- Linux, Kernel 2.6.15 rc1
- Linux, Kernel 2.6.15.1
- Linux, Kernel 2.6.15.11
- Linux, Kernel 2.6.15.2
- Linux, Kernel 2.6.15.3
- Linux, Kernel 2.6.15.4
- Linux, Kernel 2.6.15.5
- Linux, Kernel 2.6.16
- Linux, Kernel 2.6.16 rc1
- Linux, Kernel 2.6.16.1
- Linux, Kernel 2.6.16.11
- Linux, Kernel 2.6.16.12
- Linux, Kernel 2.6.16.13
- Linux, Kernel 2.6.16.19
- Linux, Kernel 2.6.16.23
- Linux, Kernel 2.6.16.27
- Linux, Kernel 2.6.16.7
- Linux, Kernel 2.6.16.9
- Linux, Kernel 2.6.17 rc5
- Linux, Kernel 2.6.17
- Linux, Kernel 2.6.17.1
- Linux, Kernel 2.6.17.10
- Linux, Kernel 2.6.17.11
- Linux, Kernel 2.6.17.12
- Linux, Kernel 2.6.17.13
- Linux, Kernel 2.6.17.14
- Linux, Kernel 2.6.17.2
- Linux, Kernel 2.6.17.3
- Linux, Kernel 2.6.17.5
- Linux, Kernel 2.6.17.6
- Linux, Kernel 2.6.17.7
- Linux, Kernel 2.6.17.8
- Linux, Kernel 2.6.18
- Linux, Kernel 2.6.18.1
- Linux, Kernel 2.6.18.3
- Linux, Kernel 2.6.18.4
- Linux, Kernel 2.6.18.53
- Linux, Kernel 2.6.19
- Linux, Kernel 2.6.19 rc2
- Linux, Kernel 2.6.19 rc4
- Linux, Kernel 2.6.19 rc3
- Linux, Kernel 2.6.19 rc1
- Linux, Kernel 2.6.19.1
- Linux, Kernel 2.6.19.2
- Linux, Kernel 2.6.2
- Linux, Kernel 2.6.20 rc2
- Linux, Kernel 2.6.20
- Linux, Kernel 2.6.20.1
- Linux, Kernel 2.6.20.11
- Linux, Kernel 2.6.20.13
- Linux, Kernel 2.6.20.15
- Linux, Kernel 2.6.20.2
- Linux, Kernel 2.6.20.3
- Linux, Kernel 2.6.20.4
- Linux, Kernel 2.6.20.5
- Linux, Kernel 2.6.20.8
- Linux, Kernel 2.6.20.9
- Linux, Kernel 2.6.21 rc3
- Linux, Kernel 2.6.21 rc4
- Linux, Kernel 2.6.21
- Linux, Kernel 2.6.21 rc6
- Linux, Kernel 2.6.21 rc5
- Linux, Kernel 2.6.21.1
- Linux, Kernel 2.6.21.2
- Linux, Kernel 2.6.21.6
- Linux, Kernel 2.6.21.7
- Linux, Kernel 2.6.22
- Linux, Kernel 2.6.22 rc7
- Linux, Kernel 2.6.22 rc1
- Linux, Kernel 2.6.22.1
- Linux, Kernel 2.6.22.11
- Linux, Kernel 2.6.22.12
- Linux, Kernel 2.6.22.13
- Linux, Kernel 2.6.22.14
- Linux, Kernel 2.6.22.15
- Linux, Kernel 2.6.22.16
- Linux, Kernel 2.6.22.17
- Linux, Kernel 2.6.22.3
- Linux, Kernel 2.6.22.4
- Linux, Kernel 2.6.22.5
- Linux, Kernel 2.6.22.6
- Linux, Kernel 2.6.22.7
- Linux, Kernel 2.6.22.8
- Linux, Kernel 2.6.23 rc1
- Linux, Kernel 2.6.23 rc2
- Linux, Kernel 2.6.23
- Linux, Kernel 2.6.23.1
- Linux, Kernel 2.6.23.10
- Linux, Kernel 2.6.23.14
- Linux, Kernel 2.6.23.2
- Linux, Kernel 2.6.23.3
- Linux, Kernel 2.6.23.4
- Linux, Kernel 2.6.23.5
- Linux, Kernel 2.6.23.6
- Linux, Kernel 2.6.23.7
- Linux, Kernel 2.6.23.9
- Linux, Kernel 2.6.24 rc1
- Linux, Kernel 2.6.24 rc2
- Linux, Kernel 2.6.24 rc3
- Linux, Kernel 2.6.24.1
- Linux, Kernel 2.6.24.2
- Linux, Kernel 2.6.24.6
- Linux, Kernel 2.6.25
- Linux, Kernel 2.6.25.1
- Linux, Kernel 2.6.25.2
- Linux, Kernel 2.6.25.3
- Linux, Kernel 2.6.25.4
- MandrakeSoft, Mandrake Linux 2008.1 X86_64
- MandrakeSoft, Mandrake Linux 2008.1
- MandrakeSoft, Mandrake Linux Corporate Server 4.0
- MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
- Novell, Linux Desktop 9
- Novell, Linux POS 9
- Novell, Open Enterprise Server
- Novell, OpenSUSE 11.0
- Novell, SLE SDK 10 SP2
- Novell, SLE SDK 10 SP1
- Novell, SUSE Linux Enterprise 10 SP1 DEBUGINFO
- Novell, SUSE Linux Enterprise 10 SP2 DEBUGINFO
- Novell, SUSE Linux Enterprise Desktop 10 SP2
- Novell, SUSE Linux Enterprise Desktop 10 SP1
- Novell, SUSE Linux Enterprise Server 10 SP1
- Novell, SUSE Linux Enterprise Server 10 SP2
- SuSE, SuSE Linux Enterprise Server 9.0
- SuSE, SuSE SLES 9
Remedy:
Refer to The Linux Kernel Archives Web site for patch, upgrade or suggested workaround information. See References.
Consequences:
Gain Access
References:
- The Linux Kernel Archives Web site, patch-2.6.26-rc5-git1.log at http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.26-rc5-git1.log.
- The Linux Kernel Archives Web site, The Linux Kernel Archives at http://kernel.org/.
- The Linux Kernel Archives Web site, ChangeLog-2.4.36.6 at http://kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.36.6.
- The Linux Kernel Archives Web site, ChangeLog-2.6.25.5 at http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.5.
- BID-29589: Linux Kernel BER Decoding Remote Buffer Overflow Vulnerability
- CVE-2008-1673: The asn1 implementation in (a) the Linux kernel 2.4 before 2.4.36.6 and 2.6 before 2.6.25.5, as used in the cifs and ip_nat_snmp_basic modules; and (b) the gxsnmp package; does not properly validate length values during decoding of ASN.1 BER data, which allows remote attackers to cause a denial of service (crash) or execute arbitrary code via (1) a length greater than the working buffer, which can lead to an unspecified overflow; (2) an oid length of zero, which can lead to an off-by-one error; or (3) an indefinite length for a primitive encoding.
- DSA-1592: linux-2.6 -- heap overflow
- FrSIRT/ADV-2008-1770: Linux Kernel ASN.1 BER Decoding Remote Buffer Overflow Vulnerability
- MDVSA-2008:113: Updated kernel packages fix security issue
- MDVSA-2008:174: kernel
- SA30000: Debian update for linux-2.6
- SA30580: Linux Kernel ASN.1 BER Decoding Vulnerability
- SECTRACK ID: 1020210: Linux Kernel Heap Overflow in Decoding ASN.1 BER Data May Let Remote Users Execute Arbitrary Code
- SUSE-SA:2008:035: Linux kernel update
- SUSE-SA:2008:038: Linux kernel security update
- SUSE-SA:2008:044: Linux kernel security update
- SUSE-SA:2008:047: Linux kernel security update for SLES 9
- SUSE-SA:2008:048: SUSE Linux Enterprise 10 SP2 kernel update
- SUSE-SA:2008:049: SUSE Security Announcement
- SUSE-SR:2008:025: SUSE Security Summary Report
- USN-625-1: Linux kernel vulnerabilities
Reported:
Jun 06, 2008
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