The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - libical: Use-after-free (CVE-2016-9584)

  - The icalparser_parse_string function in libical 0.47 and 1.0 allows remote attackers to cause a denial of     service (out-of-bounds heap read) via a crafted ics file. (CVE-2016-5825)

  - The parser_get_next_char function in libical 0.47 and 1.0 allows remote attackers to cause a denial of     service (out-of-bounds heap read) by crafting a string to the icalparser_parse_string function.
    (CVE-2016-5826)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

このlibicalの更新では、以下の問題を修正します：キャッシュサイドチャネル攻撃の軽減：

  - CVE-2016-5823：libical 0.47および 1.0のicalproperty_new_clone関数により、リモートの攻撃者が細工されたicsファイルを介してサービス拒否（メモリ解放後使用（use-after-free））を引き起こすことが可能です。（bnc#986632）

  - CVE-2016-5824：libical 1.0により、リモートの攻撃者が細工されたicsファイルを介してサービス拒否（メモリ解放後使用（Use After Free））を引き起こすことが可能です。（bsc#986639）

  - CVE-2016-5825：libical 0.47および1.0のicalparser_parse_string関数により、リモートの攻撃者が細工されたicsファイルを介して、サービス拒否（領域外ヒープ読み取り）を引き起こすことが可能です。（bsc#986642）

  - CVE-2016-5826：libical 0.47および1.0のparser_get_next_char関数により、リモートの攻撃者がicalparser_parse_string関数に文字列を細工することで、サービス拒否（領域外ヒープ読み取り）を引き起こすことが可能です。
    （bsc#986658）

  - CVE-2016-5827：libical 0.47および1.0のicaltime_from_string関数により、リモートの攻撃者がicalparser_parse_string関数への細工された文字列を介して、サービス拒否（領域外ヒープ読み取り）を引き起こすことが可能です。
    （bsc#986631）

  - CVE-2016-9584：libicalにより、リモートの攻撃者が細工されたicsファイルを介してサービス拒否（メモリ解放後使用（Use After Free））を引き起こし、ヒープメモリを読み取ることが可能です。（bnc#1015964）バグ修正：

  - タイムゾーンの解析中にlibicalがクラッシュします（bsc#1044995）

注意：Tenable Network Securityは、前述の記述ブロックをSUSEセキュリティアドバイザリから直接抽出しています。Tenableでは、新たな問題を持ち込まずに、できる限り自動的に整理して書式設定するようにしています。

This update for libical fixes the following issues: Security issues fixed :

  - CVE-2016-5823: The icalproperty_new_clone function in     libical 0.47 and 1.0 allows remote attackers to cause a     denial of service (use-after-free) via a crafted ics     file. (bnc#986632)

  - CVE-2016-5824: libical 1.0 allows remote attackers to     cause a denial of service (use-after-free) via a crafted     ics file. (bsc#986639)

  - CVE-2016-5825: The icalparser_parse_string function in     libical 0.47 and 1.0 allows remote attackers to cause a     denial of service (out-of-bounds heap read) via a     crafted ics file. (bsc#986642)

  - CVE-2016-5826: The parser_get_next_char function in     libical 0.47 and 1.0 allows remote attackers to cause a     denial of service (out-of-bounds heap read) by crafting     a string to the icalparser_parse_string function.
    (bsc#986658)

  - CVE-2016-5827: The icaltime_from_string function in     libical 0.47 and 1.0 allows remote attackers to cause a     denial of service (out-of-bounds heap read) via a     crafted string to the icalparser_parse_string function.
    (bsc#986631)

  - CVE-2016-9584: libical allows remote attackers to cause     a denial of service (use-after-free) and possibly read     heap memory via a crafted ics file. (bnc#1015964) Bug     fixes :

  - libical crashes while parsing timezones (bsc#1044995)

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.

The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - libical: Heap buffer over-read in icaltime_from_string (CVE-2016-5827)

  - The icalparser_parse_string function in libical 0.47 and 1.0 allows remote attackers to cause a denial of     service (out-of-bounds heap read) via a crafted ics file. (CVE-2016-5825)

  - The parser_get_next_char function in libical 0.47 and 1.0 allows remote attackers to cause a denial of     service (out-of-bounds heap read) by crafting a string to the icalparser_parse_string function.
    (CVE-2016-5826)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - libical: Use-after-free (CVE-2016-9584)

  - The icalparser_parse_string function in libical 0.47 and 1.0 allows remote attackers to cause a denial of     service (out-of-bounds heap read) via a crafted ics file. (CVE-2016-5825)

  - The parser_get_next_char function in libical 0.47 and 1.0 allows remote attackers to cause a denial of     service (out-of-bounds heap read) by crafting a string to the icalparser_parse_string function.
    (CVE-2016-5826)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

ID	名稱	產品	系列	已發布	已更新	嚴重性
199279	RHEL 7 : libical (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	2024/6/3	2024/6/3	critical
106130	SUSE SLES11セキュリティ更新プログラム：推奨されるlibicalの更新（SUSE-SU-2018:0119-1）	Nessus	SuSE Local Security Checks	2018/1/18	2021/1/19	critical
106130	SUSE SLES11 Security Update : Recommended update for libical (SUSE-SU-2018:0119-1)	Nessus	SuSE Local Security Checks	2018/1/18	2021/1/19	critical
199258	RHEL 5 : libical (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	2024/6/3	2024/6/3	high
199282	RHEL 6 : libical (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	2024/6/3	2024/6/3	critical

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