This update for Perl fixes the following issues :

  - CVE-2016-6185: Xsloader looking at a '(eval)' directory.
    (bsc#988311)

  - CVE-2016-1238: Searching current directory for optional     modules. (bsc#987887)

  - CVE-2015-8853: Regular expression engine hanging on bad     utf8. (bsc)

  - CVE-2016-2381: Environment dup handling bug.
    (bsc#967082)

  - 'Insecure dependency in require' error in taint mode.
    (bsc#984906)

  - Memory leak in 'use utf8' handling. (bsc#928292)

  - Missing lock prototype to the debugger. (bsc#932894)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for Perl fixes the following issues :

  - CVE-2016-6185: Xsloader looking at a '(eval)' directory.
    (bsc#988311)

  - CVE-2016-1238: Searching current directory for optional     modules. (bsc#987887)

  - CVE-2015-8853: Regular expression engine hanging on bad     utf8. (bsc)

  - CVE-2016-2381: Environment dup handling bug.
    (bsc#967082)

  - 'Insecure dependency in require' error in taint mode.
    (bsc#984906)

  - Memory leak in 'use utf8' handling. (bsc#928292)

  - Missing lock prototype to the debugger. (bsc#932894)

This update was imported from the SUSE:SLE-12:Update update project.

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2916-1 advisory.

    It was discovered that Perl incorrectly handled certain regular expressions with an invalid backreference.
    An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly     execute arbitrary code. (CVE-2013-7422)

    Markus Vervier discovered that Perl incorrectly handled nesting in the Data::Dumper module. An attacker     could use this issue to cause Perl to consume memory and crash, resulting in a denial of service.
    (CVE-2014-4330)

    Stephane Chazelas discovered that Perl incorrectly handled duplicate environment variables. An attacker     could possibly use this issue to bypass the taint protection mechanism. (CVE-2016-2381)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Oracle Enterprise Manager Grid Control installed on the remote host is missing a security patch. It is, therefore, affected by multiple vulnerabilities :

  - A flaw exists in the Bouncy Castle Java library due to     improper validation of a point within the elliptic     curve. An unauthenticated, remote attacker can exploit     this to obtain private keys by using a series of     specially crafted elliptic curve Diffie-Hellman (ECDH)     key exchanges, also known as an 'invalid curve attack.'     (CVE-2015-7940)

  - A flaw exists in the PathTools module for Perl in the     File::Spec::canonpath() function that is triggered as     strings are returned as untainted even when passing     tainted input. An unauthenticated, remote attacker can     exploit this to pass unvalidated user input to sensitive     or insecure areas. (CVE-2015-8607)

  - An overflow condition exists in Perl in the MapPathA()     function due to improper validation of user-supplied     input. An unauthenticated, remote attacker can exploit     this to cause a denial of service condition or the     execution of arbitrary code. (CVE-2015-8608)

  - A remote code execution vulnerability exists in the     Apache Struts component due to improper handling of     multithreaded access to an ActionForm instance. An     unauthenticated, remote attacker can exploit this, via a     specially crafted multipart request, to execute     arbitrary code or cause a denial of service condition.
    (CVE-2016-1181)

  - A flaw exists in Perl that is triggered during the     handling of variables that appear twice in the     environment (envp), causing the last value to appear in     %ENV, while getenv would return the first. An     unauthenticated, remote attacker can exploit this to     cause variables to be incorrectly propagated to     subprocesses, regardless of the protections offered by     taint checking. (CVE-2016-2381)

  - A denial of service vulnerability exists in the Apache     Commons FileUpload component due to improper handling of     boundaries in content-type headers when handling file     upload requests. An unauthenticated, remote attacker can     exploit this to cause processes linked against the     library to become unresponsive. (CVE-2016-3092)

  - A man-in-the-middle vulnerability exists in various     components, known as 'httpoxy', due to a failure to     properly resolve namespace conflicts in accordance with     RFC 3875 section 4.1.18. The HTTP_PROXY environment     variable is set based on untrusted user data in the     'Proxy' header of HTTP requests. The HTTP_PROXY     environment variable is used by some web client     libraries to specify a remote proxy server. An     unauthenticated, remote attacker can exploit this, via a     crafted 'Proxy' header in an HTTP request, to redirect     an application's internal HTTP traffic to an arbitrary     proxy server where it may be observed or manipulated.
    (CVE-2016-5385, CVE-2016-5386, CVE-2016-5387,     CVE-2016-5388)

  - A carry propagating error exists in the OpenSSL     component in the x86_64 Montgomery squaring     implementation that may cause the BN_mod_exp() function     to produce incorrect results. An unauthenticated, remote     attacker with sufficient resources can exploit this to     obtain sensitive information regarding private keys.
    Moreover, the attacker would additionally need online     access to an unpatched system using the target private     key in a scenario with persistent DH parameters and a     private key that is shared between multiple clients. For     example, this can occur by default in OpenSSL DHE based     SSL/TLS cipher suites. (CVE-2017-3732)

  - An unspecified flaw exists in the UI Framework component    that allows authenticated, remote attacker to have an    impact on integrity. (CVE-2017-10091)

According to the version of the perl packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability :

  - Perl might allow context-dependent attackers to bypass     the taint protection mechanism in a child process via     duplicate environment variables in envp.(CVE-2016-2381)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for perl fixes the following issues :

  - CVE-2016-6185: xsloader looking at a '(eval)' directory     [bsc#988311]

  - CVE-2016-1238: searching current directory for optional     modules [bsc#987887]

  - CVE-2015-8853: regex engine hanging on bad utf8     [bnc976584]

  - CVE-2016-2381: environment dup handling bug [bsc#967082]

  - perl panic with utf8_mg_pos_cache_update [bsc#929027]

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Stephane Chazelas discovered a bug in the environment handling in Perl. Perl provides a Perl-space hash variable, %ENV, in which environment variables can be looked up. If a variable appears twice in envp, only the last value would appear in %ENV, but getenv would return the first. Perl's taint security mechanism would be applied to the value in %ENV, but not to the other rest of the environment. This could result in an ambiguous environment causing environment variables to be propagated to subprocesses, despite the protections supposedly offered by taint checking.

With this update Perl changes the behavior to match the following :

  - %ENV is populated with the first environment variable,     as getenv would return.
  - Duplicate environment entries are removed.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
93437	SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2016:2263-1)	Nessus	SuSE Local Security Checks	2016/9/12	2026/1/26	high
93583	openSUSE Security Update : perl (openSUSE-2016-1086)	Nessus	SuSE Local Security Checks	2016/9/19	2026/1/23	high
89100	Ubuntu 14.04 LTS : Perl vulnerabilities (USN-2916-1)	Nessus	Ubuntu Local Security Checks	2016/3/3	2024/8/27	high
101837	Oracle Enterprise Manager Grid Control Multiple Vulnerabilities (July 2017 CPU) (httpoxy)	Nessus	Misc.	2017/7/20	2025/12/9	critical
147054	EulerOS Virtualization 3.0.6.6 : perl (EulerOS-SA-2021-1508)	Nessus	Huawei Local Security Checks	2021/3/4	2024/1/16	high
93371	SUSE SLES11 Security Update : perl (SUSE-SU-2016:2246-1)	Nessus	SuSE Local Security Checks	2016/9/8	2026/1/27	high
89062	Debian DSA-3501-1 : perl - security update	Nessus	Debian Local Security Checks	2016/3/2	2021/1/11	high

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