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CVE Vulnerabilities

CVE-2018-1000122

Out-of-bounds Read

Published: Mar 14, 2018 | Modified: Nov 21, 2024
CVSS 3.x
9.1
CRITICAL
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS 2.x
6.4 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-1000122
CWEhttps://cwe.mitre.org/data/definitions/125.html

A buffer over-read exists in curl 7.20.0 to and including curl 7.58.0 in the RTSP+RTP handling code that allows an attacker to cause a denial of service or information leakage

Weakness

The product reads data past the end, or before the beginning, of the intended buffer.

Affected Software

NameVendorStart VersionEnd Version
Debian_linuxDebian7.0 (including)7.0 (including)
Debian_linuxDebian8.0 (including)8.0 (including)
Debian_linuxDebian9.0 (including)9.0 (including)
JBoss Core Services Apache HTTP Server 2.4.29 SP2RedHatjbcs-httpd24-curl*
Red Hat Enterprise Linux 7RedHatcurl-0:7.29.0-51.el7*
Red Hat Enterprise Linux 7RedHatnss-pem-0:1.0.3-5.el7*
Red Hat Enterprise Linux 7.4 Advanced Update SupportRedHatcurl-0:7.29.0-42.el7_4.2*
Red Hat Enterprise Linux 7.4 Telco Extended Update SupportRedHatcurl-0:7.29.0-42.el7_4.2*
Red Hat Enterprise Linux 7.4 Update Services for SAP SolutionsRedHatcurl-0:7.29.0-42.el7_4.2*
Red Hat Enterprise Linux 7.5 Extended Update SupportRedHatcurl-0:7.29.0-46.el7_5.1*
Red Hat Software Collections for Red Hat Enterprise Linux 6RedHathttpd24-curl-0:7.61.1-1.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 6RedHathttpd24-httpd-0:2.4.34-7.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 6RedHathttpd24-nghttp2-0:1.7.1-7.el6*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHathttpd24-curl-0:7.61.1-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHathttpd24-httpd-0:2.4.34-7.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7RedHathttpd24-nghttp2-0:1.7.1-7.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSRedHathttpd24-curl-0:7.61.1-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSRedHathttpd24-httpd-0:2.4.34-7.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUSRedHathttpd24-nghttp2-0:1.7.1-7.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSRedHathttpd24-curl-0:7.61.1-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSRedHathttpd24-httpd-0:2.4.34-7.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUSRedHathttpd24-nghttp2-0:1.7.1-7.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSRedHathttpd24-curl-0:7.61.1-1.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSRedHathttpd24-httpd-0:2.4.34-7.el7*
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSRedHathttpd24-nghttp2-0:1.7.1-7.el7*
CurlUbuntuartful*
CurlUbuntubionic*
CurlUbuntudevel*
CurlUbuntuesm-infra-legacy/trusty*
CurlUbuntuesm-infra/bionic*
CurlUbuntuesm-infra/xenial*
CurlUbuntutrusty*
CurlUbuntutrusty/esm*
CurlUbuntuupstream*
CurlUbuntuxenial*

Potential Mitigations

  • Assume all input is malicious. Use an “accept known good” input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
  • When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, “boat” may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as “red” or “blue.”
  • Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code’s environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
  • To reduce the likelihood of introducing an out-of-bounds read, ensure that you validate and ensure correct calculations for any length argument, buffer size calculation, or offset. Be especially careful of relying on a sentinel (i.e. special character such as NUL) in untrusted inputs.

References

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