csaf_opensuse - opensuse-su-2019:2501-1

Vulnerability from csaf_opensuse

Published

2019-11-13 23:20

Modified

2019-11-13 23:20

Summary

Security update for rsyslog

Notes

Title of the patch

Security update for rsyslog

Description of the patch

This update for rsyslog fixes the following issues: Security issues fixed: - CVE-2019-17041: Fixed a heap overflow in the parser for AIX log messages (bsc#1153451). - CVE-2019-17042: Fixed a heap overflow in the parser for Cisco log messages (bsc#1153459). Other issue addressed: - Fixed an issue where rsyslog was SEGFAULT due to a mutex double-unlock (bsc#1141063). This update was imported from the SUSE:SLE-15:Update update project.

Patchnames

openSUSE-2019-2501

CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).

JSON

To clipboard

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cve-2019-17041

Vulnerability from cvelistv5

Published

2019-10-07 15:31

Modified

2024-08-05 01:24

Severity ?

Summary

An issue was discovered in Rsyslog v8.1908.0. contrib/pmaixforwardedfrom/pmaixforwardedfrom.c has a heap overflow in the parser for AIX log messages. The parser tries to locate a log message delimiter (in this case, a space or a colon) but fails to account for strings that do not satisfy this constraint. If the string does not match, then the variable lenMsg will reach the value zero and will skip the sanity check that detects invalid log messages. The message will then be considered valid, and the parser will eat up the nonexistent colon delimiter. In doing so, it will decrement lenMsg, a signed integer, whose value was zero and now becomes minus one. The following step in the parser is to shift left the contents of the message. To do this, it will call memmove with the right pointers to the target and destination strings, but the lenMsg will now be interpreted as a huge value, causing a heap overflow.

References

▼	URL	Tags
	https://github.com/rsyslog/rsyslog/blob/v8-stable/ChangeLog	x_refsource_CONFIRM
	https://github.com/rsyslog/rsyslog/pull/3884	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00031.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00032.html	vendor-advisory, x_refsource_SUSE
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6SUQE25RD37CD24BHKUWMG27U5RQ2FU/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPNCHI7X2IEXRH6RYD6IDPR4PLB5RPC7/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2021/11/msg00030.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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cve-2019-17042

Vulnerability from cvelistv5

Published

2019-10-07 15:34

Modified

2024-08-05 01:24

Severity ?

Summary

An issue was discovered in Rsyslog v8.1908.0. contrib/pmcisconames/pmcisconames.c has a heap overflow in the parser for Cisco log messages. The parser tries to locate a log message delimiter (in this case, a space or a colon), but fails to account for strings that do not satisfy this constraint. If the string does not match, then the variable lenMsg will reach the value zero and will skip the sanity check that detects invalid log messages. The message will then be considered valid, and the parser will eat up the nonexistent colon delimiter. In doing so, it will decrement lenMsg, a signed integer, whose value was zero and now becomes minus one. The following step in the parser is to shift left the contents of the message. To do this, it will call memmove with the right pointers to the target and destination strings, but the lenMsg will now be interpreted as a huge value, causing a heap overflow.

References

▼	URL	Tags
	https://github.com/rsyslog/rsyslog/blob/v8-stable/ChangeLog	x_refsource_CONFIRM
	https://github.com/rsyslog/rsyslog/pull/3883	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00031.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00032.html	vendor-advisory, x_refsource_SUSE
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6SUQE25RD37CD24BHKUWMG27U5RQ2FU/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPNCHI7X2IEXRH6RYD6IDPR4PLB5RPC7/	vendor-advisory, x_refsource_FEDORA
	https://lists.debian.org/debian-lts-announce/2021/11/msg00030.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

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To clipboard

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All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

Vulnerability from csaf_opensuse

cve-2019-17041

Vulnerability from cvelistv5

cve-2019-17042

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature