critical
9.3
CWE
189
Advisory Published
Updated

CVE-2010-1938

First published: Fri May 28 2010(Updated: )

Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
FreeBSD Kernel=7.0-release
FreeBSD Kernel=7.0-pre-release
FreeBSD Kernel=6.4-release_p2
FreeBSD Kernel=6.4
FreeBSD Kernel=6.4-release_p5
FreeBSD Kernel=7.1-release-p2
FreeBSD Kernel=7.1-rc1
FreeBSD Kernel=6.4-release
FreeBSD Kernel=7.1-release-p1
FreeBSD Kernel=7.1-stable
FreeBSD Kernel=7.0-release-p12
FreeBSD Kernel=8.0
FreeBSD Kernel=7.0_beta4
FreeBSD Kernel=7.0-releng
FreeBSD Kernel=7.1-release-p6
FreeBSD Kernel=7.0
FreeBSD Kernel=6.4-stable
FreeBSD Kernel=6.4-release_p4
FreeBSD Kernel=8.1-prerelease
FreeBSD Kernel=6-stable
FreeBSD Kernel=7.0-release
FreeBSD Kernel=7.0_releng
FreeBSD Kernel=7.2-pre-release
FreeBSD Kernel=7.0-stable
FreeBSD Kernel=7.1
FreeBSD Kernel=7.2
FreeBSD Kernel=7.0-release-p9
FreeBSD Kernel=7.1-pre-release
FreeBSD Kernel=6.4-release_p3
FreeBSD Kernel=7.0-beta_4
FreeBSD Kernel=7.0-current
FreeBSD Kernel=7.0-release-p8
FreeBSD Kernel=7.1-release-p4
FreeBSD Kernel=7.1-release-p5
FreeBSD Kernel=7.2-stable
Nrl Opie=2.3
Nrl Opie<=2.4.1
Nrl Opie=2.10
Nrl Opie=2.2
Nrl Opie=2.32
Nrl Opie=2.4
Nrl Opie=2.21
Nrl Opie=2.22
Nrl Opie=2.11

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2010-1938?

    CVE-2010-1938 is considered to have a high severity due to its potential to cause a denial of service and possible remote code execution.

  • How do I fix CVE-2010-1938?

    To fix CVE-2010-1938, upgrade to a patched version of libopie that addresses the off-by-one error.

  • Which systems are affected by CVE-2010-1938?

    CVE-2010-1938 affects FreeBSD versions 6.4 through 8.1-PRERELEASE and earlier versions of libopie, specifically prior to 2.4.1-test1.

  • What type of vulnerability is CVE-2010-1938?

    CVE-2010-1938 is classified as an off-by-one error vulnerability.

  • Can CVE-2010-1938 lead to remote code execution?

    Yes, CVE-2010-1938 can potentially allow remote attackers to execute arbitrary code.

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