Vulnerabilities > CVE-2015-1783 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
fedoraproject
entrouvert
CWE-119
nessus

Summary

The prefix variable in the get_or_define_ns function in Lasso before commit 6d854cef4211cdcdbc7446c978f23ab859847cdd allows remote attackers to cause a denial of service (uninitialized memory access and application crash) via unspecified vectors.

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Overflow Buffers
    Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
  • Client-side Injection-induced Buffer Overflow
    This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
  • Filter Failure through Buffer Overflow
    In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
  • MIME Conversion
    An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.

Nessus

  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2015-4848.NASL
    descriptionSecurity fix for CVE-2015-1783 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-05
    modified2015-04-07
    plugin id82614
    published2015-04-07
    reporterThis script is Copyright (C) 2015-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/82614
    titleFedora 20 : lasso-2.4.1-1.fc20 (2015-4848)
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2015-4807.NASL
    descriptionSecurity fix for CVE-2015-1783 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-05
    modified2015-04-07
    plugin id82613
    published2015-04-07
    reporterThis script is Copyright (C) 2015-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/82613
    titleFedora 21 : lasso-2.4.1-1.fc21 (2015-4807)
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2015-4821.NASL
    descriptionSecurity fix for CVE-2015-1783 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-05
    modified2015-04-22
    plugin id82947
    published2015-04-22
    reporterThis script is Copyright (C) 2015-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/82947
    titleFedora 22 : lasso-2.4.1-3.fc22 (2015-4821)