このtexliveの更新では、次の問題が修正されます：

  - CVE-2018-17407：Type 1フォントの処理中のバッファオーバーフローを防ぎます。これにより、脆弱なツール（pdflatex、pdftex、dvips、またはluatex）のいずれかに悪意のあるフォントが読み込まれると、任意のコードが実行される可能性がありました（bsc#1109673）。

この更新はSUSEからインポートされました：SLE-15：更新プロジェクトを更新します。

リモートの CentOS Linux 7 ホストには、RHSA-2020:1036 アドバイザリに記載されている脆弱性の影響を受けるパッケージがインストールされています。

  - 2018 年 9 月 21 日より前の TeX Live の writet1.c ファイル内の t1_check_unusual_charstring 関数で問題が発見されました。Type 1 フォントの処理におけるバッファオーバーフローにより、悪意のあるフォントが脆弱なツール（pdflatex、pdftex、dvips、luatex）のいずれかによってロードされると、任意のコードが実行される可能性があります。
    (CVE-2018-17407)

Nessus はこの問題をテストしておらず、代わりにアプリケーションが自己報告するバージョン番号にのみ依存していることに注意してください。

* texlive: writet1.cのt1_check_unusual_charstring関数におけるバッファオーバーフロー

2018年9月21日より前のTeX Liveのwritet1.cファイル内のt1_check_unusual_charstring関数で問題が発見されました。Type 1フォントの処理でバッファオーバーフローが発生するため、脆弱なツール（pdflatex、pdftex、dvips、またはluatex）のいずれかによって悪意のあるフォントが読み込まれると、任意のコードが実行される可能性があります。（CVE-2018-17407）

This update for texlive fixes the following issue :

CVE-2018-17407: Prevent buffer overflow when handling of Type 1 fonts allowed arbitrary code execution when a malicious font was loaded by one of the vulnerable tools: pdflatex, pdftex, dvips, or luatex (bsc#1109673)

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.

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

  - An issue was discovered in t1_check_unusual_charstring     functions in writet1.c files in TeX Live before     2018-09-21. A buffer overflow in the handling of Type 1     fonts allows arbitrary code execution when a malicious     font is loaded by one of the vulnerable tools:
    pdflatex, pdftex, dvips, or luatex.(CVE-2018-17407)

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 texlive fixes the following issue :

  - CVE-2018-17407: Prevent buffer overflow when handling of     Type 1 fonts allowed arbitrary code execution when a     malicious font was loaded by one of the vulnerable     tools: pdflatex, pdftex, dvips, or luatex (bsc#1109673)

This update for texlive fixes the following issue :

  - CVE-2018-17407: Prevent buffer overflow when handling of     Type 1 fonts allowed arbitrary code execution when a     malicious font was loaded by one of the vulnerable     tools: pdflatex, pdftex, dvips, or luatex (bsc#1109673).

This update was imported from the SUSE:SLE-15:Update update project.

This update for texlive fixes the following issue :

CVE-2018-17407: Prevent buffer overflow when handling of Type 1 fonts allowed arbitrary code execution when a malicious font was loaded by one of the vulnerable tools: pdflatex, pdftex, dvips, or luatex (bsc#1109673).

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 CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1036 advisory.

  - An issue was discovered in t1_check_unusual_charstring functions in writet1.c files in TeX Live before     2018-09-21. A buffer overflow in the handling of Type 1 fonts allows arbitrary code execution when a     malicious font is loaded by one of the vulnerable tools: pdflatex, pdftex, dvips, or luatex.
    (CVE-2018-17407)

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

* texlive: Buffer overflow in t1_check_unusual_charstring function in writet1.c

The version of texlive installed on the remote host is prior to 2012-45.20130427_r30134. It is, therefore, affected by a vulnerability as referenced in the ALAS-2020-1388 advisory.

    An issue was discovered in t1_check_unusual_charstring functions in writet1.c files in TeX Live before     2018-09-21. A buffer overflow in the handling of Type 1 fonts allows arbitrary code execution when a     malicious font is loaded by one of the vulnerable tools: pdflatex, pdftex, dvips, or luatex.
    (CVE-2018-17407)

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

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

ID	Name	Product	Family	Published	Updated	Severity
123339	openSUSEセキュリティ更新プログラム：texlive（openSUSE-2019-800）	Nessus	SuSE Local Security Checks	3/27/2019	6/10/2024	high
135321	CentOS 7：texlive（RHSA-2020:1036）	Nessus	CentOS Local Security Checks	4/10/2020	10/9/2024	high
135840	Scientific Linux セキュリティ更新: SL7.x x86_64のtexlive（20200407）	Nessus	Scientific Linux Local Security Checks	4/21/2020	3/15/2024	high
138059	Amazon Linux AMI：texlive（ALAS-2020-1388）	Nessus	Amazon Linux Local Security Checks	7/2/2020	12/11/2024	high
117991	SUSE SLED12 / SLES12 Security Update : texlive (SUSE-SU-2018:3033-1)	Nessus	SuSE Local Security Checks	10/9/2018	2/10/2022	high
146756	EulerOS 2.0 SP2 : texlive (EulerOS-SA-2021-1368)	Nessus	Huawei Local Security Checks	2/22/2021	1/19/2024	high
117930	openSUSE Security Update : texlive (openSUSE-2018-1099)	Nessus	SuSE Local Security Checks	10/5/2018	8/1/2024	high
118197	openSUSE Security Update : texlive (openSUSE-2018-1196)	Nessus	SuSE Local Security Checks	10/18/2018	7/30/2024	high
120128	SUSE SLED15 / SLES15 Security Update : texlive (SUSE-SU-2018:3122-1)	Nessus	SuSE Local Security Checks	1/2/2019	7/10/2024	high
123339	openSUSE Security Update : texlive (openSUSE-2019-800)	Nessus	SuSE Local Security Checks	3/27/2019	6/10/2024	high
135321	CentOS 7 : texlive (RHSA-2020:1036)	Nessus	CentOS Local Security Checks	4/10/2020	10/9/2024	high
135840	Scientific Linux Security Update : texlive on SL7.x x86_64 (20200407)	Nessus	Scientific Linux Local Security Checks	4/21/2020	3/15/2024	high
138059	Amazon Linux AMI : texlive (ALAS-2020-1388)	Nessus	Amazon Linux Local Security Checks	7/2/2020	12/11/2024	high

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