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Huawei EulerOS: CVE-2017-15710: httpd security update

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Huawei EulerOS: CVE-2017-15710: httpd security update

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
03/26/2018
Created
07/25/2018
Added
05/29/2018
Modified
02/21/2019

Description

In Apache httpd 2.0.23 to 2.0.65, 2.2.0 to 2.2.34, and 2.4.0 to 2.4.29, mod_authnz_ldap, if configured with AuthLDAPCharsetConfig, uses the Accept-Language header value to lookup the right charset encoding when verifying the user's credentials. If the header value is not present in the charset conversion table, a fallback mechanism is used to truncate it to a two characters value to allow a quick retry (for example, 'en-US' is truncated to 'en'). A header value of less than two characters forces an out of bound write of one NUL byte to a memory location that is not part of the string. In the worst case, quite unlikely, the process would crash which could be used as a Denial of Service attack. In the more likely case, this memory is already reserved for future use and the issue has no effect at all.

Solution(s)

  • huawei-euleros-2_0_sp1-upgrade-httpd
  • huawei-euleros-2_0_sp1-upgrade-httpd-devel
  • huawei-euleros-2_0_sp1-upgrade-httpd-manual
  • huawei-euleros-2_0_sp1-upgrade-httpd-tools
  • huawei-euleros-2_0_sp1-upgrade-mod_ssl

References

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