The imaplib module doesn’t limit the amount of read data in its call to IMAP4_SSL.readline(). An erroneous or malicious IMAP server can trick the imaplib module to consume large amounts of memory.
Dates:
Disclosure date: 2012-09-25 (Python issue bpo-16039 reported)
Python 2.7.16 (2019-03-02) fixed by commit 16d6320 (branch 2.7) (2018-12-12)
imaplib: unlimited readline() from connection.
Python issue: bpo-16039
Creation date: 2012-09-25
Reporter: Christian Heimes
** REJECT ** Various versions of Python do not properly restrict readline calls, which allows remote attackers to cause a denial of service (memory consumption) via a long string, related to (1) httplib - fixed in 2.7.4, 2.6.9, and 3.3.3; (2) ftplib - fixed in 2.7.6, 2.6.9, 3.3.3; (3) imaplib - not yet fixed in 2.7.x, fixed in 2.6.9, 3.3.3; (4) nntplib - fixed in 2.7.6, 2.6.9, 3.3.3; (5) poplib - not yet fixed in 2.7.x, fixed in 2.6.9, 3.3.3; and (6) smtplib - not yet fixed in 2.7.x, fixed in 2.6.9, not yet fixed in 3.3.x. NOTE: this was REJECTed because it is incompatible with CNT1 “Independently Fixable” in the CVE Counting Decisions.
CVE ID: CVE-2013-1752
Published: 2019-06-03
CVSS Score: 5.0
Timeline using the disclosure date 2012-09-25 as reference:
2012-09-25: Python issue bpo-16039 reported by Christian Heimes
2018-12-12 (+2269 days): commit 16d6320 (branch 2.7)
2019-03-02 (+2349 days): Python 2.7.16 released
2019-06-03 (+2442 days): CVE-2013-1752 published
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4