CVE-2011-1156
What it is
feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) before 5.0.1 allows remote attackers to cause a denial of service (application crash) via a malformed DOCTYPE declaration.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 3.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.3% in the next 30 days (EPSS).
- Severity: 5.0 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.3% · EPSS, next 30 days
- Weakness
- CWE-399
- Record status
- Modified
Affected
- Mark Pilgrim Feedparser ≤ 5.0
- Mark Pilgrim Feedparser 3.0
- Mark Pilgrim Feedparser 3.0.1
- Mark Pilgrim Feedparser 3.1
- Mark Pilgrim Feedparser 3.2
- Mark Pilgrim Feedparser 3.3
- Mark Pilgrim Feedparser 4.0
- Mark Pilgrim Feedparser 4.0.1
Attack profile CVSS 2.0 · 5.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
Raw vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2011-1156.md and follow it. Check whether this project is affected by CVE-2011-1156. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://openwall.com/lists/oss-security/2011/03/14/18
- http://openwall.com/lists/oss-security/2011/03/15/11
- http://secunia.com/advisories/43730
- http://secunia.com/advisories/44074
- https://bugzilla.novell.com/show_bug.cgi?id=680074
- https://code.google.com/p/feedparser/issues/detail?id=91
- http://openwall.com/lists/oss-security/2011/03/14/18
- http://openwall.com/lists/oss-security/2011/03/15/11
- http://secunia.com/advisories/43730
- http://secunia.com/advisories/44074
References
- http://lists.opensuse.org/opensuse-updates/2011-04/msg00026.html
- http://openwall.com/lists/oss-security/2011/03/14/18
- http://openwall.com/lists/oss-security/2011/03/15/11
- http://secunia.com/advisories/43730
- http://secunia.com/advisories/44074
- http://support.novell.com/security/cve/CVE-2011-1156.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:082
- http://www.securityfocus.com/bid/46867
- https://bugzilla.novell.com/show_bug.cgi?id=680074
- https://bugzilla.redhat.com/show_bug.cgi?id=684877
- https://code.google.com/p/feedparser/issues/detail?id=91
- http://lists.opensuse.org/opensuse-updates/2011-04/msg00026.html
- http://openwall.com/lists/oss-security/2011/03/14/18
- http://openwall.com/lists/oss-security/2011/03/15/11
- http://secunia.com/advisories/43730
- http://secunia.com/advisories/44074
- http://support.novell.com/security/cve/CVE-2011-1156.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:082
- http://www.securityfocus.com/bid/46867
- https://bugzilla.novell.com/show_bug.cgi?id=680074
- https://bugzilla.redhat.com/show_bug.cgi?id=684877
- https://code.google.com/p/feedparser/issues/detail?id=91