cext/manifest.c in Mercurial before 4.7.2 has an out-of-bounds read during parsing of a malformed manifest entry.

An update of the mercurial package has been released.

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5102-2 advisory.

    USN-5102-1 fixed vulnerabilities in Mercurial. This update provides the corresponding updates for Ubuntu     14.04 ESM and Ubuntu 16.04 ESM.



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 remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5102-1 advisory.

    It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this issue     to write arbitrary files to the targets filesystem. (CVE-2019-3902)

    It was discovered that Mercurial incorrectly handled certain manifest files. An attacker could use this     issue to cause a denial of service and possibly execute arbitrary code. (CVE-2018-17983)

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.

This update for mercurial fixes the following issues :

  - CVE-2018-17983: Fix an out-of-bounds read during parsing     of a malformed manifest entry (bsc#1110899).

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

This update for mercurial fixes the following issues :

CVE-2018-17983: Fix an out-of-bounds read during parsing of a malformed manifest entry (bsc#1110899).

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.

ID	Name	Product	Family	Severity
203099	Photon OS 2.0: Mercurial PHSA-2019-2.0-0159	Nessus	PhotonOS Local Security Checks	critical
203023	Photon OS 3.0: Mercurial PHSA-2019-3.0-0014	Nessus	PhotonOS Local Security Checks	critical
183575	Ubuntu 16.04 ESM : Mercurial vulnerabilities (USN-5102-2)	Nessus	Ubuntu Local Security Checks	critical
153857	Ubuntu 18.04 LTS : Mercurial vulnerabilities (USN-5102-1)	Nessus	Ubuntu Local Security Checks	critical
123361	openSUSE Security Update : mercurial (openSUSE-2019-864)	Nessus	SuSE Local Security Checks	critical
120145	SUSE SLED15 / SLES15 Security Update : mercurial (SUSE-SU-2018:3430-1)	Nessus	SuSE Local Security Checks	critical
118482	openSUSE Security Update : mercurial (openSUSE-2018-1297)	Nessus	SuSE Local Security Checks	critical

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CVE-2018-17983

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