CVE-2016-1938 (GCVE-0-2016-1938)

Vulnerability from cvelistv5 – Published: 2016-01-31 18:00 – Updated: 2024-08-05 23:10
VLAI?
Summary
The s_mp_div function in lib/freebl/mpi/mpi.c in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, improperly divides numbers, which might make it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging use of the (1) mp_div or (2) mp_exptmod function.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://www.securityfocus.com/bid/81955 vdb-entryx_refsource_BID
http://www.debian.org/security/2016/dsa-3688 vendor-advisoryx_refsource_DEBIAN
http://www.securitytracker.com/id/1034825 vdb-entryx_refsource_SECTRACK
https://security.gentoo.org/glsa/201701-46 vendor-advisoryx_refsource_GENTOO
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2903-2 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2880-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2903-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2880-2 vendor-advisoryx_refsource_UBUNTU
https://github.com/hannob/bignum-fuzz/blob/master… x_refsource_MISC
https://developer.mozilla.org/en-US/docs/Mozilla/… x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.mozilla.org/security/announce/2016/mfs… x_refsource_CONFIRM
https://blog.fuzzing-project.org/37-Mozilla-NSS-W… x_refsource_MISC
http://www.ubuntu.com/usn/USN-2973-1 vendor-advisoryx_refsource_UBUNTU
https://bugzilla.mozilla.org/show_bug.cgi?id=1194947 x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securityfocus.com/bid/91787 vdb-entryx_refsource_BID
https://github.com/hannob/bignum-fuzz/blob/master… x_refsource_MISC
https://security.gentoo.org/glsa/201605-06 vendor-advisoryx_refsource_GENTOO
https://bugzilla.mozilla.org/show_bug.cgi?id=1190248 x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://hg.mozilla.org/projects/nss/diff/a555bf0f… x_refsource_CONFIRM
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"The s_mp_div function in lib/freebl/mpi/mpi.c in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, improperly divides numbers, which might make it easier for remote attackers to defeat cryptographic protection mechanisms by leveraging use of the (1) mp_div or (2) mp_exptmod function.\"}, {\"lang\": \"es\", \"value\": \"La funci\\u00f3n s_mp_div en lib/freebl/mpi/mpi.c en Mozilla Network Security Services (NSS) en versiones anteriores a 3.21, como se utiliza en Mozilla Firefox en versiones anteriores a 44.0, no divide adecuadamente n\\u00fameros, lo que podr\\u00eda hacer mas f\\u00e1cil para atacantes remotos vencer el mecanismo de protecci\\u00f3n criptogr\\u00e1fico mediante el aprovechamiento del uso de la funci\\u00f3n (1) mp_div o (2) mp_exptmod.\"}]",
      "id": "CVE-2016-1938",
      "lastModified": "2024-11-21T02:47:23.517",
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      "published": "2016-01-31T18:59:05.107",
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      "sourceIdentifier": "security@mozilla.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-310\"}]}]"
    },
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  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.